Overview SONOFF SNZB-06 Zigbee Human presence sensor, based on 5.8GHz microwave radar, detects movement or stationary person, it can detect the tiniest movement, even breathing and heartbeat, and seamlessly light up your space with intelligent radar. SNZB-06P built-in light detector ensures that lights are activated only when a presence is detected in dark environments, helping you save energy. .
eBay