World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry's longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property. Features: Motion/movement, person or object detection Real-time motion status displayed on the YoLink app Wireless, no 120-Volt outlet or wiring required Wall or ceiling installation Built-in magnet for easy installation on metal surfaces IR infrared motion detection technology 3 motion sensitivity levels Home security and burglar/intrusion detection as well as occupancy sensor applications for lighting and other 120-Volt powered equipment YoLink's industry-leading long range communication and low-power operation.