With small size, groups of ID code and 126 channels, it is easy to operate and it will help you to hold a woderful parties. Features: Tricolor LED displaying. 126 channels jumping frenquecy automaticly. 7 groups ID code settable. Small size, esay to suit for interior of accessed lighting. Specifications: Input voltage: 5V DC 500mA MIN Communication distance: 400M ( visible distance ) Work frequency section: 2.4G ISM Max transmitting power rate: 20dBm Receiver sensitive: -94dBm Signal port: 3pin female plug Material: copper Modules board size: 7 * 1.8cm/2.75 * 0.7in ( L * W ) Item weight: 21g/0.74oz Package size: 14 * 10.5 * 4.5cm/5.51 * 4.13 * 1.77in ( L * W * H ) Package weight: 53g/1.9oz Operating manual: ID code and LED color corresponding relationship: 1: RED 2: GREEN 3: RED+GREEN 4: BLUE 5: RED+BLUE 6: GREEN+BLUE 7: RED+GREEN+BLUE Press key 1 time to indicate ID setting, press again to set IC. Working condition: LED constant lit up: no DMX or wireless singal. Red LED flash: transmitting. Green LED flash: receiveing total 126 channels, its searching automaticly. ID Code- 1-7 groups ID codepress KEY for setting. Establishing Communication: Power on. Communication was established correctly then. Note: Indoor use only. 1 year warranty, repairment, free replacement except damaged artificially. The manufacturer willnt offer free service in warranty period if any repaired or uncapped had happened Its better to return to manufacturer if repairment is must, dont do any repairment unless qualified electrician. The working condition should be under temperature -20C~+45C, 10%90%RH, no congelation, so as to ensure its lifetime. It cannt be covered by any superstratum, it should be swept periodly to prevent dust. Package List: 1 * PCB Modules Board 1 * Antenna