Rockville DMXWTR Rechargeable Wireless DJ DMX Lighting Transmitter+4) Receivers

Makes it easy to set up all of your lights without a mess of wires!. Controls work without any delay. These are extremely reliable. The product uses the 2.4GHz frequency band. Efficient GFSK modulation with 126 channel highspeed frequency hopping (FHSS). Hops 1100 times per second for interferencefree operation. 3color LED displays status and parameters. Onetouch operation. 7 selectable groups of lights can be controlled independently. Connect up to 25 receivers to each transmitter. Requires you to hold the button to change linking this prevents accidental unlinking. System information CPU: 32bitARM Core. Distance: 1968 feet (600 meters). Modulation: GFSK maximum transmit power: 23 dBm. Receiver sensitivity: 94 dBm. Unit dimensions: 4.7 long and antenna is 3.5 tall. Weight: 0.4 lbs. Applications: Stage lighting. Up lighting (wall washing). DJ lighting. Clubs/bars. Party halls. Theatrical performances. Stadium lights