Features: Enjoy Your Smart LifeWhen 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 ControlDownload 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 TrackingYou could share the device to your family members and track the history of sensor activities. Easy to InstallNo complicated installation tools are required. The sensor can be installed in just a few steps. Smart Voice ControlCompatible 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/window Power Supply: DC5V Battery:lithium battery (included) Standby Current: 13uA Alarm Distance: ≥1cm Protocol: IEEE 802.11b/g/n Wireless Type: 2.4GHz APP: SmartLife/Tuya Support systems: Android and IOS Material: Superior ABS Operating Temperature: 0~ 60 Operating Humidity: 20% ~85% Package Size: Approach. 9.5*7.5*2cm / 3.7*3*0.8in Package Weight: Approach. 65g / 2.3oz Package List: 1 * Wireless Door/Window Detector