Tuya ZigBee Wireless Smart Door Sensor Smart Home Door Window Open/Closed Magnetic Detector Sensor Work With Tuya Smart Life APP Description: Product name: zigbee door sensor color: White Operating Voltage: DC 3V Battery: CR2032 Effective magnetron distance: <1cm Specifications: Open the door, touch the door and window sensor, and set the scene linkage on the mobile phone. Let the lights, monitors, purifiers and stereos in your home "work" as you want. Information about the opening and closing of doors and windows at home while away from home, at work.The mobile phone will be pushed to you in time to report the news. Whenever a person is at home, there are always unsafe and uncertain meals that make him feel uneasy. There are door and window sensors to inform the status of doors and windows in time and sleep peacefully. Package Included: sensor*1