Overview:<br />our door sensor works great! It&#39;s easy to install and use! It is tuya app remote-control. Leading you to a smart life. Come and have a look.<Br/>features:<br />【enjoy your smart life】when you leave home, it will push notification message to you when the door/window opens, so you can discover the intruder in time. <Br />【smart voice control】compatible with alexa &amp; google home and ifttt for voice control. Simply use your voice to control the connected devices. Convenient for you to detect your doors, windows, cabinets, drawers or anywhere you want to notified when it is opened or closed.<Br />【app remote control】download app &#34;tuya/smart life&#34; from googleplay or app store to add the device to detect the status of your door/window. Home security in your hand all the time. <Br />【share control &amp; history records tracking】you could share the device to your family members and track the history of sensor activities.<Br />【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 in just a few steps.<Br/>specifications:<br />two status: open &amp; close<br />power supply: 2*aaa 1.5V(not included) <br />standby current: ≤10μa<br />alarm current: ≤160ma<br />standby time: 8-10months<br />wireless range: 50m(open area)<br />alarm distance: ≥15mm<br />protocol: ieee 802.11B/g/n<br />wireless type: 2.4Ghz<br />app: smartlife/tuya <br />standby time: 8-10 months<br />material: superior abs <br />operating temperature: -10℃~ 40℃<br />operating humidity: 20% ~85%<br />size: main body (d*w*h): 70*25*20mm<br />deputy body (d*w*h): 45*16*12mm<br/>package information:<br />package size: approach. 8.5 * 5.5 * 2.5Cm / 3.35 * 2.17 * 0.98In<br />package weight: approach. 41G / 1.45Oz <br/>package list:<br />1 * wireless door / window sensor<br />1 * user manual (english)<br />1 * set of stickers