Fangrui Product Details Ultra-long Battery Life:low-power Zigbee Sensor Supports Up To Two Years Of Battery Life, Ensuring Your Smart Security Guard Is Online. Check History Records:records Of Motion Or No Motion Status, As Well As Linkage Logs, Will Be Presented In The History Records Of Moes App To Monitor The Safety Of Your Home In Real Time. Right Place, Right Convenience:by Placing Smart Sensors In Different Locations, Changes In Different Locations Can Be Monitored. At The Same Time, It Supports Linkage With Smart Devices To Protect Every Corner Of The Home. Customize Your Own Smart Scenarios:seamless Integration With Smart Home Systems For Automated Responses To Detected Events.when A Person Is Detected, A Real-time Notification Will Be Sent To The Mobile Phone. Then, 60 Seconds After No One Is Detected, A Notification Will Be Sent Also. Different Smart Linkages Can Be Performed According To The Two States, Such As The Smart Light Automatically Turns On When There Is Human Motion, And Automatically Turns Off When