PilotLines Smart Zigbee Beacon, Remote Controller, Smartphone Android/IOS Wireless Controlled Presence Sensor with Hub SOS Function, Care for the Elderly and Children The wireless distance of this ZigBee-powered device can be 100 meters (depending on your home's construction) Once installed, the system doesn't require the APP to operate, and is suitable for people of all ages. Based on industrial sensors and Zigbee wireless technology, user can add many more smart devices to the system, including IP cameras, smar lighting, and additional sensors.