Note: The smart ZigBee Tuya door sensor must work with Tuya gateway Hub which supports ZigBee protocol. It can"t work without Tuya ZigBee intelligent gateway. Overview: Our door sensor works greatly! It"s easy to install and use after connecting with the Tuya ZigBee gateway Hub! It is Tuya APP remote-control. Leads you to a smart life! Features: [Enjoy Your Smart Life] After connecting with the ZigBee Hub, when you leave home, it will push notification message to you when the door/window opens, so you can discover the intruder in time. [APP Remote Control] Download APP "Tuya Smart/Smart Life" to add the device to detect the status of your door/window. ?Home security in your hand all the time. [Share Control & History Records Tracking] You could share the device to your family members and track the history of sensor activities. [Easy to Install] Simply attach one piece to your door or window, and attach the other piece to the door or window frame with double-sided adhesive tape or screws in just a few steps. [Low Power Consumption] Super low energy consumption, low battery alert. Powered by 2 LR03 batteries, energy-saving and money-saving. Specifications: Battery: 2 * LR03 (Not Included) Standby Current: more than10uA Alarm Current: less than 15mA Protocol: ZigBee APP: SmartLife/Tuya Magnetic Control Distance: more than15mm Material: ABS Operating Temperature: -10celsius50celsius Operating Humidity: less than 95percent RH Package Size: Approx. 8.5*5.6*2.6cm/3.34*2.20*1.02in Package Weight: Approx. 41g/1.44oz Package List:? 1 * Wireless Door/Window Sensor? 1 * Set of Stickers 1 * Bag of Screws 1 * User Manual