1 channel universal dimmer module (Can works without the needs of N neutral connection) Zigbee Protocol Add to wishlist
"Power Supply , Coding: rolling code Frequency: 433.92MHz Power supply: One 3V CR2032 battery Battery life: 2 years (rated power 210MAH)" Add to wishlist
"Door/ window sensor Battery powered (Battery includes in the product) Zigbee Protocol " Add to wishlist