RF LED Remote Control, 2.4G RGBW Remote 4 Zones Full Touch Wireless LED Controller RF Touch LED RGB Dimmer Battery not included, with 2.4G high-frequency wireless remote control technology, it features low power consumption, long-distance transmission, strong anti-interference ability, and high-speed telecommunications. 4 Zone Control: This remote can control up to 4 LED light zones, each zone can have countless lights within 30 meters. So you can control each zone's light separately (press each "zone ON" button) or together (press the "Master Key ON"). Color Changing and Dimming: Capacitive touch screen design makes the remote easy to use. Easy to link and unlink new lights to remotes. RF Controller: Radio frequency remote control works through walls with a range of about 30M/98ft; RF LED Dimmer: Touch screen ring is used for easy color changing.