Description: [2.4GHz WiFi One-Key Connect Easy Setup] Do not need home gateway, you can easily achieve the intelligent control of home appliances, simple operation, easy to use.2.4G Hz protocol is more stable, faster and more convenient [Detect door or window status ]When the door or window is opened or closed,the device triggered and push notification to the phone. [Linked alarm with more sensors] Set up the scene: away from home mode, if someone breaks in, the the device triggered and push notification to the phone., and the IP camera (not included) will shoot the video. When someone opens the door, the light turns on automatically. [APP Remote Control ]Home is in the hands,whenever and wherever [Easy to install]Small size,easy to install Adhesive installation,can be flexibly placed in various doors, windows,drawers,etc,without destroying the appearance and structure of the original furniture Specifications: Input voltage:3V LR03 Quiescent Current:andle 45uA Alarm Current:andle 130mA Low power undervoltage:andle 2.4V WiFi:802.11 b or g or n Magnetic control distance:andge 15mm Battery: DC 3V LR03(AAA battery,not included) Alarm mode: mobile phone APP notification push(Smart Life or Tuya Smart) Size: Main body: 68x23x19mm Permanent magnet: 43x10x14mm Package Included: 1xsensor,1xmanual,1xsticky