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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.
  • Key Specs
    • Detector Type: Motion
    • Sensor Type: Magnetic
    • Wireless Connectivity: None, None, None, None, None (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
    • Works With: Google Assistant, Amazon Alexa (Compatible with or able to be connected to other smart devices or applications.)
    • Power Source: Battery-powered
    • Number of Devices Included: 4
  • General
    • Brand: SimpliSafe
    • Model Number: ENS304
    • Product Name: 4pack Entry Sensor
    • Color: White
  • Detection
    • Alarm Type: Audible
    • Alarm External Notification: App, Text
    • Detector Type: Motion
    • Sensor Type: Magnetic
  • Connectivity
    • Wireless: true
    • Wireless Connectivity: None, None, None, None, None (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
  • Compatibility
    • Works With: Google Assistant, Amazon Alexa (Compatible with or able to be connected to other smart devices or applications.)
    • Voice Assistant Built-in: No (A digital assistant built into the device that uses voice commands to answer questions and control smart devices.)
    • App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
    • Operating System Compatibility: Android, Apple iOS
  • Environmental
    • Indoor Or Outdoor Use: Indoor (Indicates the appropriate environment product was designed to be used in.)
  • Features
    • Placement: Window, Door
    • Silence Function: no
  • Power
    • Power Source: Battery-powered
    • Battery Chemistry: Lithium
    • Voltage: 3 volts (Amount of power needed to support an electrical current.)
  • Dimensions
    • Product Height: 4.15 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 4.03 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 1.12 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 1.1 pounds (The out of box weight of the item.)
  • Included
    • Number of Devices Included: 4
    • Mounting Hardware Included: true
  • Other
    • UPC: 843261112064

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.

  • Entry sensor: Protect your doors, windows, cabinets and more.
  • Compact design: Fits on almost any window, door or cabinet.
  • Instant chime alerts: When a door or window is opened, the Base Station can sound a chime or tell you which sensor has been activated.
  • Customizable alerts by sensor: Can set up Secret Alerts that won't sound the alarm but will send a discreet notification directly to your phone.
  • Simple set up: Peel and stick installation or can permanently mount with included hardware.
  • Long-lasting battery: pre-installed battery
  • Compatibility: Compatible with the SimpliSafe Gen 3 home security system
Whats Included
  • 4 SimpliSafe White Entry Sensors
  • Extra adhesives
  • Screws

Q: Does the base station make a sound when a door is opened if the system is not armed?

A: Yes, the base station will sound a chime when a door or window is opened, even if the system is not armed.

Q: How is the SimpliSafe entry sensor installed?

A: The sensor can be installed with the included adhesive tape or permanently mounted with the included hardware.

Q: What type of battery does this entry sensor use?

A: This entry sensor uses a Lithium battery.

Q: Does the SimpliSafe entry sensor come with the battery?

A: Yes, the entry sensor comes with a pre-installed battery.

Q: How far apart can the magnet be from the sensor?

A: The magnet can be placed up to 2 inches away from the sensor.

Q: Can I set up the sensor to send a notification to my phone?

A: Yes, you can set up customizable Secret Alerts that send a notification to your phone without sounding the alarm.

Q: Is this entry sensor compatible with Google Assistant?

A: Yes, this entry sensor is compatible with Google Assistant.

SimpliSafe - 4pack Entry Sensor - White

Model: ENS304
SKU: 6432008
$49.99
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Reviews

Customers are saying

Customers are enthusiastic about the 4pack Entry Sensor, praising its simple installation process and reliable performance. Many users highlight how easy it is to set up and connect to the base station, making it a convenient choice for expanding their home security system. The affordable price point compared to other retailers is also well-received, with customers appreciating the value for money.

This summary was generated by AI based on customer reviews.

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products or points for an honest, helpful review.

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Pros for SimpliSafe - 4pack Entry Sensor - White
Easy to install, Works well, Price, Extra sensors, Home securityEasy to install, Price, Works well, Reliable, SecurityEasy to install, Works well, Security, Reliable, SizeEasy to install, Price, Security, Works well, Peace of mind
Cons for SimpliSafe - 4pack Entry Sensor - White
Expensive, Adhesive, Needs base station, Broken, ColorAdhesive, Battery life, Defective, Expensive, Fall offExpensive, Battery life, Defective, Price, CompatibilityAdhesive, Sensitivity, Disconnection, Evidence, Mounting

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