Overview:<br />Our door sensor works great! It&#39;s easy to install and use! It is app remote-control. Leading you to a smart life. Come and have a look.<br/>Features:<br />* Download app &#34;TUYA&#34; from App Store to add the device to detect the status of your door / window. Home security in your hand all the time.<br />* Simply attach one piece to your door or window, and attach the other piece to the door or window frame.<br />* Battery powered, convenient for you to replace the battery and easy for you to install with stickers.<br />* Ideal intrusion warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, etc.<br />* Low-consumption design, which can make it work long time.<br />* Simple design with a compact size, elegant and fashion.<br />* This sensor needs to work with Amazon alexa, Google assistant, IFTTT.<br/>Specifications:<br />Two Status: Open &amp; Close<br />Battery: 2 * Alkaline battery(not included)<br />Standby Current: ≤28μA<br />Protocol: IEEE 802.11b/g/n<br />Wireless Range: 50m<br />Operating Temperature: -10℃~40℃ (14°F~104°F)<br />Operating Humidity: 20%~85%<br />Storage Temperature: -10℃~60℃ (14°F~140°F)<br />Storage Humidity: 0%~90%<br />Standby Time: 8-10 months<br />Wireless Type: 2.4GHz<br/>Package Information:<br />Package Size: Approach. 9.8 * 8.2 * 3cm / 3.9 * 3.2 * 1.2in<br />Package Weight: Approach. 63g / 2.2oz<br/>Package List:<br />1 * Wireless Door / Window Sensor(with stickers)<br />1 * User Manual (English)