Feature:1. * Download app \"TUYA\" from App Store to add the device to detect the status of your door / window. Home security in your hand all the time.2. * Simply attach one piece to your door or window, and attach the other piece to the door or window frame.3. * Battery powered, convenient for you to replace the battery and easy for you to install with stickers.4. * Ideal intrusion warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc.5. * Low-consumption design, which can make it work long time.6. * Simple design with a compact size, elegant and .7. * This sensor needs to work with Amazon alexa, assistant, IFTTT or Rokid.Specification:Overview:Our door sensor works great! It's easy to install and use! It is app remote-control. Leading you to a smart life. Come and have a look.Features:* Download app "TUYA" from App Store to add the device to detect the status of your door / window. Home security in your hand all the time.* Simply attach one piece to your door or window, and attach the other piece to the door or window frame.* Battery powered, convenient for you to replace the battery and easy for you to install with stickers.* Ideal intrusion warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc.* Low-consumption design, which can make it work long time.* Simple design with a compact size, elegant and .* This sensor needs to work with Amazon alexa, assistant, or Rokid.Specifications:Two Status: Open & CloseBattery: 2 * 1.5V AAA BatteriesStandby Current: 5AProtocol: IEEE 802.11b/g/nWireless Range: 50mOperating Temperature: -10~40 (14F~104F)Operating Humidity: 20%~85%Storage Temperature: -10~60 (14F~140F)Storage Humidity: 0%~90%Standby Time: 8-10 monthsWireless Type: 2.4GHzPackage Information:Package Size: Approach. 8.5 * 5.5 * 2.5cm / 3.35 * 2.17 * 0.98inPackage Weight: Approach. 63g / 2.22ozPackage List:1 * Wireless Door / Window Sensor1 * User Manual (English)2 * StickersPackage List:1 * Wireless Door / Window Sensor1 * User Manual (English)2 * Stickers