The MS100 Smart Motion Sensor from TP-Link works in conjunction with the SR20 router (available separately) to alert you of motion activity in your space. The sensor connects via Zigbee protocol to the SR20 router, which works as a hub. Two included AA batteries provide up to 2 years of battery life.
Specification of Tp-Link Ms100 Smart Home Sensor
Product Details
Color
White
Warning - California Proposition 65
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.