Features: *Compact and Versatile:This door and window sensor is specifically designed for SONOFF SNZB-04P and can be easily installed on any door or window frame without taking up much space. *Reliable Connectivity:With the latest technology, this sensor ensures a stable and reliable connection to your smart home , allowing you to receive real-time notifications whenever doors or windows are opened or closed. *Enhanced Security:This smart sensor adds an extra layer of security to your home by alerting you instantly if someone tries to break into your house or if windows are left open when you are away. *Seamless Integration:This sensor is seamlessly compatible with for SONOFF SNZB-04P and other for ZigBee-enabled devices, allowing you to create custom automation routines based on your needs and preferences. *Long-lasting Battery Life:The sensor is powered by a long-lasting battery, ensuring continuous operation without the need for frequent battery replacements. Specifications: *Part Name:Door Window Sensor *Material:PC *Size:About 50.5x32x21.9 mm(Transmitter) *Non-condensing Magnet Size:About 27x12x12.4 mm *Color:White *Model:SNZB-04P *Wireless connection:For ZigBee 3.0 *Installation distance:≤20mm *Battery model:CR2477(3V) *Working temperature:-10°℃-60°C *Working humidity:5-95%RH Package Content: 1 set of Door Window Sensor Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Made of standard material, quality assurance and practicality. Perfect function, bring you a wonderful experience. Every customer is entitled to a 30-day refund or replacement for damage/quality issues. If you have any questions, please feel free to contact us and we will solve it for you. For Sonoff Snzb-04P Replacement Smart Home Door And Window Sensor For Zigbee