【APP Remote Control】Download app "Smart Life" 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. 【Share Control & History Records Tracking】You could share the device to your family members and track the history of sensor activities.【Easy to Install】No complicated installation tools are required. The sensor can be installed with double-sided adhesive tape(included) in just a few steps.【Smart Voice Control】Compatible with Alexa & Google Home, IFTTT. 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.Specifications:Detect open/close status of the door/windowPower Supply: 1*CR123A (included) Standby Current: 13uAStandby Time: 2 yearsWireless Range: 45m(open area)Alarm Distance: ≥1cmProtocol: IEEE 802.11b/g/nWireless Type: 2.4GHzAPP: SmartLife/Tuya Support systems: Android and IOSMaterial: Superior ABS Operating Temperature: 0℃~ 60℃Operating Humidity: 20% ~85%Size: Main body (D*W*H): 80*22*22mmDeputy body (D*W*H): 42*11*11mmPackage Information:Package Size: Approach. 9*4.4*3cm / 3.5*1.7*1.2in Package Weight: Approach. 60g / 2.1ozPackage List:1 * Wireless Door/Window Detector1 * Set of Mounting Sticker1 * User Manual (English)