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Key Specs
Camera Resolution: 800 (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
Field Of View: 75 degrees (The area of a target, measured as an angle from the location of viewing, that can be observed.)
Night Vision: true
Number Of Cameras Included: 8
Number Of Channels: 8
Recording Resolution: 800 (Refers to the number of pixels, both horizontally and vertically, used to capture video. The higher the resolution the finer the video detail that can be seen.)
Indoor Or Outdoor Use: Indoor, Outdoor (Indicates the appropriate environment product was designed to be used in.)
Minimum Operating Temperature: 14 degrees fahrenheit (The lowest recommended ambient (surrounding) temperature in which the product can ideally operate stated by the manufacturer. Generally long-term exposure of the product to temperatures less than the minimum can result in ineffective operation.)
Maximum Operating Temperature: 122 degrees fahrenheit (The highest recommended ambient (surrounding) temperature in which the product can ideally operate stated by the manufacturer. Generally long-term exposure of the product to temperatures more than the maximum can result in ineffective operation.)
General
Product Name: Sentinel Pro 8-Channel, 8-Camera Indoor/Outdoor DVR Surveillance System
Brand: Defender
Model Number: 21327
Camera
Camera Resolution: 800 (Refers to the number of pixels, both horizontally and vertically, used to capture video/images. The higher the resolution the finer the detail that can be seen.)
Field Of View: 75 degrees (The area of a target, measured as an angle from the location of viewing, that can be observed.)
Night Vision: true
Night Vision Distance: 150 feet
Number Of Cameras Included: 8
Day/Night Mode: true (Captures images/video with optimal clarity by automatically adjusting settings to various light levels.)
IP Camera: No (An Internet Protocol (IP) camera is able to record and display image/video data via the internet, without need for a local recording device.)
Minimum Required Illumination: 0 lux (Refers to the minimum amount of light needed to view objects. Generally, the lower the number, the better the camera can detect objects in little to no light.)
Number of IR LEDs: 48 (Quantity of infrared (IR) LED lights for emitting IR light and allowing the camera to detect objects in low light.)
Image Sensor Type: CDS (CCD and CMOS are the two main technologies used in image sensors. CCD, the older of the two types, turns analog light signals into digital pixels. This conversion happens without distortion, resulting in high-quality images. Newer CMOS sensors use transistors at each pixel to move electrical charges. CMOS sensors are typically less expensive, but also require more light to create distortion-free images.)
Compatibility
Camera Compatibility: Sentinel Pro 21146 and 21320 models
Operating System Compatibility: Windows
Connectivity
Camera Connectivity: Wired (Security system cameras can be set up in several ways. Wired cameras require cables for power and footage transmission, while wire-free cameras don't need cables for either. Wireless cameras still require cables for receiving power but are able to transmit footage via a wireless network.)
Recording & Playback
Number Of Channels: 8
Video Compression Type: H.264
Recording Resolution: 800 (Refers to the number of pixels, both horizontally and vertically, used to capture video. The higher the resolution the finer the video detail that can be seen.)
Storage
DVR Storage Capacity: 2000 gigabytes
Performance
Indoor Or Outdoor Use: Indoor, Outdoor (Indicates the appropriate environment product was designed to be used in.)
Minimum Operating Temperature: 14 degrees fahrenheit (The lowest recommended ambient (surrounding) temperature in which the product can ideally operate stated by the manufacturer. Generally long-term exposure of the product to temperatures less than the minimum can result in ineffective operation.)
Maximum Operating Temperature: 122 degrees fahrenheit (The highest recommended ambient (surrounding) temperature in which the product can ideally operate stated by the manufacturer. Generally long-term exposure of the product to temperatures more than the maximum can result in ineffective operation.)
Features
Auto-On Detection: Motion
Dimension
Camera Height: 2.5 inches
Camera Width: 3.6 inches
Camera Depth: 3.6 inches
Camera Weight: 0.6 pounds
DVR Height: 2 inches
DVR Width: 9.6 inches
DVR Depth: 8.1 inches
DVR Weight: 3.1 pounds
Output
DVR Output(s): BNC
Display
Clock Display: true
Camera Color Display: true
Included
Camera(s) Included: true
DVR Included: true
Monitor Included: false
Remote Control Included: true
Cable(s) Included: true
Warranty
Manufacturer's Warranty - Parts: 1 year
Manufacturer's Warranty - Labor: 1 year
Other
UPC: 061783258224
Monitor your home or business with this Defender Sentinel Pro 21327 surveillance system. With 1 Step remote viewing, you can view the current feed and play back recorded footage from virtually anywhere using an Internet-connected device.
8 surveillance cameras: Include 4 widescreen dome cameras and 4 widescreen bullet cameras, which utilize CDS image sensors with 800 TV lines for clear, sharp video.
48 IR LEDs: Provide up to 150' night vision range with the bullet cameras and up to 75' night vision range with the dome cameras for simple monitoring of your home or business, even in the dark.
Day/night mode: Automatically switches from color to black-and-white in low lighting.
75° field of view: Offers wide viewing coverage.
Weather-resistant anodized aluminum casing: Ensures durability for reliable use in a variety of weather conditions.
Whats Included
8-channel DVR
4 dome cameras, 4 bullet cameras
8 extension cables, two 4-1 power splitters
2 BNC-to-RCA connectors, 10' RJ-45 Ethernet cable
3 power adapters, software CD, USB mouse
IR remote, window warning stickers
Owner's manual
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, promotional considerations or entries into drawings for honest, helpful reviews.
Rated 3 out of 5 stars
Inaccurate product description.
I specifically purchased this particular system due to the PTZ capability described in the best buy product description. I should have known a simple analog system would not have PTZ, but wishful thinking played into this purchase. This system DOES NOT HAVE PTZ!
The dome cameras are simply low profile cameras. Per Defender customer support, they do not sell a PTZ camera.
You have been warned.
Aside from that rant, the system works as advertised. I bench tested the system prior to installation and found 1 camera was defective.
You get what you pay for, if you desire a high end security camera system, shell out the cash and purchase an IP based system.
Posted by CharlesW
Rated 5 out of 5 stars
very great camera for the price
I wish the system came with more directions as how to use the DVR itself but if you are smart and mess around with it, you can figure out all the fun functions. The cameras are good quality for around my house and they do have a better picture on the tv than the phone but all is well. The app is easy to use with the phone. Easy to install, you drill a guide hole, insert the anchors, and put the screws in. No PTZ remotely but all cameras can be moved around by hand quite easily. Overall, great product and a great price
Posted by Joe5
Rated 1 out of 5 stars
Horrible customer service and difficult install
incredibly disappointed. They highlight their "1-step viewing" and ease of install. What they don't tell you is the 7 steps that it takes to get to the 1-step viewing. So, technically, it is 8 step viewing. and the customer service is horrible. They are condescending and not helpful.