1) It's B3 RGBW mi light wall mounted remote controller battery operates.Only work with Mi.Light RGB/RGBW series the newest version led lights,6W bulb ASIN B01N56ZGPJ.Work with receiver box(ASIN B01N9TPFPQ) to control RGBW led strips light.It wouldn't work with the old version products.
2) 2.4GHz RF Wireless Transmitting,30 Meters(98 feet) Control Distance, that means you don't have to install it with lamps in the same circuit, don't have to change any electriccircuit exist.
3) 4 Zones Control Separately:Each Zone Control Countless Lamps Or Controllers.You don't have to install 1pcs panel controller for eachlamps, 1pcs panelcontroller can control up to 4groups lamps, each group can be anylamps within 30 meters(98 feet).
4) Brightness Dimming 1%-100%,9 Color Changing Models.It has the same function with any milight RGBW remote(like ASIN B01N57JJAA).
5) Powered by 2pcs AAA batteries.You don't have to make any change to your house electric circuit.Just charge it with 2pcs AAA batteries, install or paste it on the wall.