Rockville DMX-WTR is a 2.4GHZ WIRELESS DJ DMX LIGHTING TRANSMITTER with a range of up to 1968 feet (600 meters). It features one-touch operation, 7 selectable groups of lights that can be controlled independently, and the ability to connect up to 25 receivers to each transmitter. The DMX-WTR is perfect for stage lighting, up lighting, DJ lighting, clubs/bars, party halls, theatrical performances, and stadium lights. It makes it easy to set up all your lights without a ton of wires everywhere and the controls are extremely reliable and work without any delay.