Specification:4. Each other in the same place (Tricolor LED displaying Indicators)5. Input voltage: 5VDC 500mA MIN6. Communication distance: 400M (visible distance)7. Work frequency section: 2.4G ISM, 126 channels, frequency section8. Max transmitting power rate: 20dBm9. Receiver Sensitivity: -94dBm10. CPU: 32-bit ARM Core11. Modulation: GFSK12. DMX Signal Interface: RS48513. Operating temperature: -40 ~ 85 C14. Storage Temperature: -65 ~ 150 C15. Ambient Relative Humidity: 5 to 95% (non-condensing)16. Automatic Reboot Trigger: Built-in WDT (watchdog timer)17. Warranty Period: 3 yearsOperating 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+BLUE1. Press momentary switch above the side led indicator to indicate ID setting2. Press again to set IC，to the color ID desired, adding 1 each time you press the switch will advance the color ID code.3. Working condition：LED constant lit up：No DMX or wireless signal.Red LED flash：TransmittingGreen LED flash：receiving4. RF frequency 2.400 - 2.525G，total 126 channels，it's searching automatically,5. ID Code "1-7" groups ID code，press 'KEY' for setting，it only can work under same ID code of transmitter and receiver. (Same LED Color)Note : When using it , please pull up and down the antenna ,don't move the antenna heavily .Package included:1 x DMX512 wireless transmitter(US Plug)7 x DMX512 wireless transmitter(US Plug)8 x Power adapter