replacement sensors
Best Buy customers often prefer the following products when searching for replacement sensors.
A security sensor is a device that monitors an area for the presence of threats or intruders and triggers an alarm or other response when it detects such a presence. They are often used in conjunction with a video surveillance system or other security equipment. Browse the top-ranked list of replacement sensors below along with associated reviews and opinions.
Hover-1 - Horizon Electric Self-Balancing Scooter w/8.4 mi Max Operating Range & 7.45 mph Max Speed - Blue Green Iridescent
Model: HY-H2L-BLGRNSKU: 6425462See all HoverboardsProduct Description
The Horizon Hoverboard is specifically designed for the most adventurous and ambitious riders. Featuring a beautiful LED strip that spans the front of the board, along with integrated Bluetooth speakers, the Horizon looks good, sounds good, and feels good while you’re riding at 7.45mph with a max range of nearly 9 miles. Featuring large 8” wheels designed to provide comfort and stability when cruising on rough surfaces, the Horizon hoverboard gives you a serious board with some serious style. Not to mention, the powerful 400W motor packs a punch, so be sure to turn up your tunes. The purchaser and rider of this product are responsible for knowing and obeying all state and local regulations regarding the use of this product, including whether licensing is required and the rules concerning where it may be operated. It is highly encouraged that you read and follow the product instructions including all safety precautions and use protective gear.See all HoverboardsProduct Description
The Horizon Hoverboard is specifically designed for the most adventurous and ambitious riders. Featuring a beautiful LED strip that spans the front of the board, along with integrated Bluetooth speakers, the Horizon looks good, sounds good, and feels good while you’re riding at 7.45mph with a max range of nearly 9 miles. Featuring large 8” wheels designed to provide comfort and stability when cruising on rough surfaces, the Horizon hoverboard gives you a serious board with some serious style. Not to mention, the powerful 400W motor packs a punch, so be sure to turn up your tunes. The purchaser and rider of this product are responsible for knowing and obeying all state and local regulations regarding the use of this product, including whether licensing is required and the rules concerning where it may be operated. It is highly encouraged that you read and follow the product instructions including all safety precautions and use protective gear.See all HoverboardsYour price for this item is $299.99
Ring - Alarm Motion Detector (2nd Gen) (2-Pack) - White
Model: 4SP2SZ-0EN0SKU: 6403958Top comment"Greatly improved original motion sensor. I like it....Needed a replacement...After one of my initial motion sensors failed after repeated attempts, I ordered this to replace it."
See all customer reviewsSee all Motion Sensors & DetectorsProduct Description
Ring Alarm Motion Detector expands your Ring Alarm and adds an extra layer of security to your home. When your Ring Alarm system is armed, the Motion Detector sends instant alerts to your phone and tablet whenever motion is detected at home. The Motion Detector is a simple addition to your Ring Alarm that installs in minutes. Simply place your Motion Detector in a corner of any room in your home, connect it to your Ring Alarm Base Station, and you’re all set up!Top comment"Greatly improved original motion sensor. I like it....Needed a replacement...After one of my initial motion sensors failed after repeated attempts, I ordered this to replace it."
See all customer reviewsSee all Motion Sensors & DetectorsProduct Description
Ring Alarm Motion Detector expands your Ring Alarm and adds an extra layer of security to your home. When your Ring Alarm system is armed, the Motion Detector sends instant alerts to your phone and tablet whenever motion is detected at home. The Motion Detector is a simple addition to your Ring Alarm that installs in minutes. Simply place your Motion Detector in a corner of any room in your home, connect it to your Ring Alarm Base Station, and you’re all set up!See all Motion Sensors & DetectorsYour price for this item is $59.99
SimpliSafe - Motion Sensor - White
Model: SS3-MOTIONSKU: 6298668Top comment"Motion sensor...Wanted extra coverage beyond the 2 motion sensors provided. It was added easily to the system...Good motion sensor....I bought this as a replacement for one I had managed to break. The SimpliSafe alarm system is quite nice, reasonably priced and easy to install."
See all customer reviewsSee all Motion Sensors & DetectorsProduct Description
Detect intruders, and protect your space with this SimpliSafe motion sensor. This compact, easy-to-install device quickly integrates with existing systems and includes a powerful battery that offers years of use before replacement. The advanced motion detection technology lets this SimpliSafe motion sensor watch for intruders, while a unique human heat-mapping algorithm eliminates false positives by letting this sensor distinguish between pets and intruders.Top comment"Motion sensor...Wanted extra coverage beyond the 2 motion sensors provided. It was added easily to the system...Good motion sensor....I bought this as a replacement for one I had managed to break. The SimpliSafe alarm system is quite nice, reasonably priced and easy to install."
See all customer reviewsSee all Motion Sensors & DetectorsProduct Description
Detect intruders, and protect your space with this SimpliSafe motion sensor. This compact, easy-to-install device quickly integrates with existing systems and includes a powerful battery that offers years of use before replacement. The advanced motion detection technology lets this SimpliSafe motion sensor watch for intruders, while a unique human heat-mapping algorithm eliminates false positives by letting this sensor distinguish between pets and intruders.See all Motion Sensors & DetectorsYour price for this item is $29.99
Canon - EF 24mm f/1.4L II USM Wide-Angle Lens - Black
Model: 2750B002SKU: 3900242Top comment"If you are a pro and have a full frame sensor, this is a no brainer....I have canon 24-70mm and it’s defiantly a great replacement."
See all customer reviewsSee all DSLR Prime LensesProduct Description
Canon EF 24mm f/1.4L II USM Wide-Angle Lens: This high-performance wide-angle lens features an antireflective coating that provides sharp images in a variety of settings. Photography professionals and enthusiasts will love the high-speed autofocus and the fast 1.4 maximum aperture for shooting in low light. Plus, the short focusing distance lets you get in close to capture the perfect shot.Top comment"If you are a pro and have a full frame sensor, this is a no brainer....I have canon 24-70mm and it’s defiantly a great replacement."
See all customer reviewsSee all DSLR Prime LensesProduct Description
Canon EF 24mm f/1.4L II USM Wide-Angle Lens: This high-performance wide-angle lens features an antireflective coating that provides sharp images in a variety of settings. Photography professionals and enthusiasts will love the high-speed autofocus and the fast 1.4 maximum aperture for shooting in low light. Plus, the short focusing distance lets you get in close to capture the perfect shot.See all DSLR Prime LensesYour price for this item is $1,549.99
Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White
Model: 4SD1SZ-0EN0SKU: 6403955Top comment"Functional replacement for first gen sensors...Old ring contact sensor stopped functioning. Ordered this to replace it. ...Ring sensor getting the job done...I like the smaller design of the new sensors"
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).Top comment"Functional replacement for first gen sensors...Old ring contact sensor stopped functioning. Ordered this to replace it. ...Ring sensor getting the job done...I like the smaller design of the new sensors"
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).See all Door & Window AlarmsYour price for this item is $19.99
SimpliSafe - Glassbreak Sensor - White
Model: SS3-BBY-GBREAKSKU: 6323161Top comment"Glassbreak Sensors...The Glassbreak Sensors were easy to integrate into the SimpliSafe system and was easy to place in my home....One sensor versus three...This sensor can save you some money when it comes to multiple windows instead of buying individual sensors for each window."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Act fast against burglaries with this SimpliSafe glass break sensor. It triggers an alarm if it detects the sound of shattering glass within its 20-foot range, providing reliable security even when no motion detector is used. This SimpliSafe glass break sensor utilizes detection algorithm and digital signal processing technologies for accurate sound recognition.Top comment"Glassbreak Sensors...The Glassbreak Sensors were easy to integrate into the SimpliSafe system and was easy to place in my home....One sensor versus three...This sensor can save you some money when it comes to multiple windows instead of buying individual sensors for each window."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Act fast against burglaries with this SimpliSafe glass break sensor. It triggers an alarm if it detects the sound of shattering glass within its 20-foot range, providing reliable security even when no motion detector is used. This SimpliSafe glass break sensor utilizes detection algorithm and digital signal processing technologies for accurate sound recognition.See all Door & Window AlarmsYour price for this item is $39.99
GE CYNC Room Temperature Sensor, Pairs with the CYNC Smart Thermostat (sold separately), White - White
Model: 93129901SKU: 6499811Top comment"It is what you prefer the temperatures to be, and you can add other sensors in different rooms so that you are always comfortable. ...Great sensor!...The sensor is particularly useful if you home has hot spots or cold spots. "
See all customer reviewsSee all Water & Temperature SensorsProduct Description
Create the ideal room temperature. The Room Sensor works with the CYNC Smart Thermostat (sold separately) and measures temperature and humidity in real time. Set a schedule in the CYNC app and change your bedroom temperature from cool at bedtime to warm at sunrise. Add sensors to different rooms and create the preferred temperature in the rooms you're in during different times of day. Eliminate cold and hot spots in your home by making the temperature more consistent throughout the house.Top comment"It is what you prefer the temperatures to be, and you can add other sensors in different rooms so that you are always comfortable. ...Great sensor!...The sensor is particularly useful if you home has hot spots or cold spots. "
See all customer reviewsSee all Water & Temperature SensorsProduct Description
Create the ideal room temperature. The Room Sensor works with the CYNC Smart Thermostat (sold separately) and measures temperature and humidity in real time. Set a schedule in the CYNC app and change your bedroom temperature from cool at bedtime to warm at sunrise. Add sensors to different rooms and create the preferred temperature in the rooms you're in during different times of day. Eliminate cold and hot spots in your home by making the temperature more consistent throughout the house.See all Water & Temperature SensorsYour price for this item is $29.99
SimpliSafe - 4pack Entry Sensor - White
Model: ENS304SKU: 6432008Top comment"Sensor Review...Sensors work perfectly. Easy to setup and install....SimpliSafe Sensor...Easy Setup, system recognized new sensors immediately."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Easy to install on every type of door or window. The magnet goes on the door or window, and the sensor goes on the frame (or vice versa). Magnet can be placed up to 2 inches from the sensor, so sensors fit on all types of doors and windows. SimpliSafe sensors come with the battery pre-installed and adhesive tape pre-applied, making set-up a snap.Top comment"Sensor Review...Sensors work perfectly. Easy to setup and install....SimpliSafe Sensor...Easy Setup, system recognized new sensors immediately."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Easy to install on every type of door or window. The magnet goes on the door or window, and the sensor goes on the frame (or vice versa). Magnet can be placed up to 2 inches from the sensor, so sensors fit on all types of doors and windows. SimpliSafe sensors come with the battery pre-installed and adhesive tape pre-applied, making set-up a snap.See all Door & Window AlarmsYour price for this item is $49.99
Ring - Alarm Contact Sensor (2nd Gen) (2-Pack) - White
Model: 4SD2SZ-0EN0SKU: 6403968Top comment"Replacement door sensor...The new sensors are much better because of the size. They fit much better and are less noticeable....Replacement sensors....Replaced faulty sensor, new sensor works great. Easy installation."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).Top comment"Replacement door sensor...The new sensors are much better because of the size. They fit much better and are less noticeable....Replacement sensors....Replaced faulty sensor, new sensor works great. Easy installation."
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).See all Door & Window AlarmsYour price for this item is $39.99
Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
Model: 4SD6SZ-0EN0SKU: 6403961Top comment"Ring contact sensor...Ring contact sensors made new home security installation a snap....Extra sensor...Needed extra sensors they worked as they should. Great product"
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).Top comment"Ring contact sensor...Ring contact sensors made new home security installation a snap....Extra sensor...Needed extra sensors they worked as they should. Great product"
See all customer reviewsSee all Door & Window AlarmsProduct Description
Expand your Ring Alarm system to secure each door and window in your home, and get alerts as soon as they open. Ring Alarm Contact Sensors mount to any door or window frame in your home for easy, DIY installation. Connect them to your Ring Alarm and receive mobile alerts from the Ring App so you’ll always be the first to know when something’s ajar. *Requires Ring Alarm Security Kit (Gen 2).See all Door & Window AlarmsYour price for this item is $99.99
Shopping ideas related to replacement sensors
- advanced sensors
"The Hue Outdoor Motion Sensor lets you control your lights from your phone or tablet"
- cameras with sensors
"Excellent camera. Love the extra range the crop sensor gives and the optical viewfinder is great"
- garage sensors
"I ended up purchasing the Keypad and sensors as well since they were on sale. Definitely a must get if you don’t want to pay a monthly subscription however, it does not notify authorities if the sensor goes off"
- lighting sensors
"Automatically turns on and off according to the time of day"