SONOFF SenseGuard DW Gen2 Zigbee Door Sensor, Open/Close Monitoring, & Window Alarm for Home Security, Phone Alert, Tamper Automation, Works with Assistant Alexa, 4-pack

Sonoff Snzb-04pr2 Door Window Opening Detector. Monitor your home security with the SONOFF SNZB-04PR2 Zigbee door and window sensor. This slim, discreet device offers real-time status updates via the eWeLink app, alerting you to openings, closings, and any tampering attempts. Create smart scenes for enhanced security and energy savings, like automatically turning off lights when a door closes or adjusting your thermostat when a window is opened. With flexible installation, broad compatibility with major smart home platforms (including Alexa and HomeKit via Matter), and up to 3 years of battery life, the SNZB-04PR2 provides reliable, long-lasting protection for your doors, windows, and even cabinets or safes. SONOFF SNZB-04PR2 Window and Door Sensor.The SONOFF SNZB-04PR2 is a door and window sensor that uses Zigbee 3.0 communication, allowing you to monitor the status of secured items in real time via the app.Its slim design, just 13.5 mm thick, facilitates discreet installation, and a communication range of up to 100 m in open space ensures stable operation in various parts of the home.The device detects when doors and windows are opened or closed, alerts you to any attempts to remove the sensor, and sends real-time notifications, allowing you to respond quickly to any status changes.Constant Monitoring and Instant Notifications.The sensor allows you to monitor doors and windows directly from the eWeLink app.Information about whether a door or window is open or closed appears immediately, giving you full control over the secured rooms.Additionally, the Tamper Detection feature alerts you to any attempt to tamper with the sensor, enhancing the security of the entire system.Smart Scenes for Security and Savings.The SNZB-04PR2 can work with other smart home devices to create automations tailored to your daily needs.The sensor can trigger security scenes when it detects a door or window opening, working in conjunction with a Zigbee gateway and security cameras, among other devices.It also works well in energy-saving scenarios, such as automatically turning off the thermostat when a window is left open or turning off the lights when a door is closed.Flexible Installation and Broad Compatibility.Thanks to its detachable magnet and the ability to mount it horizontally or vertically, the device can be easily adapted to many types of doors and windows.The sensor supports a detection range of up to 30 mm when mounted horizontally and up to 15 mm when mounted vertically, which facilitates installation even in less standard locations.The design works well not only for doors and windows, but also for refrigerators, medicine cabinets, pet cages, and safes.The device works with the eWeLink app, Home Assistant, MQTT, iHost, and the Amazon Alexa and Apple Home platforms via Matter Bridge.Thanks to its support for Zigbee 3.0, it can be integrated with many popular gateways and home automation systems, and the sensor´s status can also be checked using voice commands in compatible systems.Long Battery Life and Durable Construction.Powered by two AAA batteries, it provides up to 3 years of operation without the need for frequent battery replacement.The housing is made of UV-resistant materials, and the device has passed a 1-meter drop test and thermal shock tests.Included in the package.SONOFF SNZB-04PR2 Door and Window Sensor.2 AAA batteries.User manual. Manufacturer:Sonoff.Model:SNZB-04PR2.Microcontroller (MCU):TLSR8656F512ET32.Power Supply:3 V.Battery Type:2 × LR03 AAA.Zigbee Standard:IEEE 802.15.4.Weight:45.1 g (with batteries).Color:White.Dimensions:Transmitter:90 × 26 × 13.5 mmMagnet:31 × 14 × 6.5 mm.Housing material:PC.Intended use:Indoors.Operating temperature:-10°C to 60°C.Operating humidity:5-95% RH, non-condensing. tradeinn Techinn

Accurate Open/Close Monitoring & AAA Battery Powered: The sensor requires a Zigbee hub to operate. You can monitor door or window open/close status via App and receive instant phone alerts. Powered by replaceable AAA batteries for long-lasting, stable performance. Tamper Alert & Instant Phone Notification: Built-in tamper-prevent button allows you to receive real-time phone alerts when the device is removed, enhancing door security. Smart Automation for Home Security and more: The sensor requires a Zigbee hub to operate. When the open/close/tamper status changes, it can trigger smart scenes such as alarms when open, camera recording, smart lights on, or voice notifications. Perfect for home security, child safety, pet monitoring, and energy-saving automation. Versatile Installation to Fit Most Doors & Windows: Supports horizontal and vertical magnet installation with up to 30mm detection distance. Ideal for wide door gaps, narrow door frames, apartments, garages, and office security setups. Compatible with other Zigbee Ecosystems: Easily integrates with Home Assistant via SONOFF Zigbee Dongles and works with Alexa and SmartThings through compatible Zigbee hubs.