Description
Zigbee door/window sensor with anti-tamper
Opening detection, removal alert and slim installation
The Sonoff SNZB-04PR2 SenseGuard DW Gen2 is a Zigbee magnetic door/window sensor. It monitors the open/closed status and allows you to create security, comfort, and energy-saving automations in a smart home.
The slim format facilitates installation on narrow frames, doors, windows, drawers, cabinets, or other access points. The sensor supports horizontal and vertical mounting of the magnet, with detection up to 30 mm in horizontal mounting and 15 mm in vertical mounting.
Main features
Anti-tamper detection: sends alerts when there is forced removal or tampering with the sensor.
Smart automation: can trigger scenes, alarms, cameras, or climate control through a compatible Zigbee gateway.
Versatile installation: suitable for doors, windows, cabinets, drawers, safes, and other opening points.
Simple power supply: uses 2 standard AAA batteries, easy to replace.
Integration: compatible with eWeLink and supported Zigbee ecosystems, including Home Assistant via a compatible dongle/gateway.
Usage example
Install the sensor on an entrance door to receive alerts when it is opened, trigger a Zigbee siren, or start recording on a compatible camera. It can also be used on a window to turn off the climate control when it stays open for too long.
Product specifications
Brand: Sonoff
Model: SNZB-04PR2
Series: SenseGuard DW Gen2
Type: Magnetic door/window sensor
Connectivity: Zigbee, IEEE 802.15.4
Power supply: 3V, 2 x LR03 AAA batteries
MCU: TLSR8656F512ET32
Detection range: 30 mm in horizontal mounting, 15 mm in vertical mounting
Transmitter dimensions: 90 x 26 x 13.5 mm
Magnet dimensions: 31 x 14 x 6.5 mm
Material: PC
Weight: 45.1 g, including batteries
Operating temperature: -10°C to 60°C
Operating humidity: 5% to 95% RH, non-condensing
App: eWeLink
Gateway required: Yes, requires a compatible Zigbee gateway
Includes
1 x Sonoff SNZB-04PR2 transmitter
1 x magnet
Double-sided adhesive tape
User manual
Barcode
6979033600140
Reference
SNZB-04PR2