Scientists at DGIST (Daegu Gyeongbuk Institute of Science and Technology) have developed an incredible self-powered sensor ...
The Onvis outdoor motion sensor with Thread technology offers fast alerts, IP66 durability, 4-year battery, and HomeKit ...
As people cross a room, the light shifts, and a motion sensor is triggered ... it every month or take it down and change batteries. Aqara says the battery will last two years.