• [Anti-Tamper Alarm]Receive instant alerts when someone attempts to remove the device, ensuring your home remains secure at all times •[Create Linked Scenes]Easily set up smart scenarios in the Smart Life APP—such as having your smart lights turn on automatically when the door is opened •[Remote Alert Notifications]Get notified via the APP when strangers try to break in, as the door sensor detects the intrusion in real-time •[Miniature Grooved Design]Crafted with a grooved design, this sensor adds a sleek and sophisticated touch to your home setup •[ZigBee Hub Connectivity]Seamlessly connects to your smart home system through the ZigBee hub, providing stable and efficient communication Specifications: •Wireless Technology: Zigbee •Operating Voltage: DC 3V (CR2032 battery, not included) •Operating Temperature: -10 to and55℃ •Low Battery Indicator: Yes •Alarm Trigger Distance: 23±5mm •Battery Life: Over 1 year (based on 20 uses per day) •Main Unit Dimensions: 65mm x 26mm x 12.7mm •Magnet Dimensions: 38.8mm x 10.9mm x 13mm Package included: •1 x Set of Door Magnetic Sensor •1 x English and Chinese Manual