With the 4-channel RGBW radio handheld transmitter, up to four receivers can be controlled separately. Multiple receivers can be taught to one handheld transmitter or channel, or multiple handheld transmitters can be taught to one receiver. Delivery includes wall bracket. Functions: color change via touch color wheel, direct color selection white, switching on and off, dimming, as well as program change. Operation via 3x AAA (1.5V) batteries (not included). Suitable for the following receivers: EFD12244X5A, EFDP12244X5A, EFDP24050VS, EFDP24100VS, RGB+W-WIFI4x5A and RGBWIFI674X5A.