Smart Alerts Notice.Get Instant Push Notification to Your Phone When Door Sensor Detects Activity.Family Members Sharing One Sensor. Share the device with your family with Smart Life APP.Lighting Automation Create smart scene on Smart Life APP,your smart light can be automatically turned on when you open the doorEasy to Install Align with the middle line,space less than 10 mm.Low Power Technology With a high-performance, low-power microprocessor, battery life is available for 2 years, avoiding frequent battery replacements.Push message When the status of the door and window sensors changes,the mobile app can receive messages in real time to deal with abnormal situations.Small size,easy to install Adhesive installation,can be flexibly placed in doors, windows,drawers,etc,without the appearance and structure of the original furniture.Input voltage: AAA1.5Vx2(not included)Quiescent Current: less than or equal to 8uAAlarm Current: less than or equal to 70-120mALow power undervoltage: less than or equal to 2.7VWiFi: 2.4GHz IEEE 802.11b/gMagnetic control distance: less than or equal to 10mmWorking temperature:-10-50Working humidity:max 95%RHcolour: whiteMaterial: ABSSize: 70x25x20mmPackage Contents:1 x Smart Window Door SensorOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.