2.4G wireless DMX512 3R/1T; 7 groups ID code settable, User can use 7 groups individual wireless net without any interfere.Input voltage: 5VDC 500mA MIN; Communication distance: 500M (visible distance) Max transmitting power rate: 20dBm; Receiver Sensitivity: -94dBm; CPU: 32-bit ARM Core; Modulation: GFSK DMX Signal Interface: RS485; Operating temperature: -40 ~ 85 °C,Storage Temperature: -65 ~ 150 °C; Ambient Relative Humidity: 5 to 95% (non-condensing) Automatic Reboot Trigger: Built-in WDT (watchdog timer) Operating manual 1. Press momentary switch above the side led indicator to indicate ID setting 2. 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:Transmitting Green LED flash:receiving Establishing Communication: 1. Power on DMX512 wireless received board first and then following to power up the transmitted boards. 2. Press "Key" button to set same ID value of transmitted board and received board. Please use different ID value if you need use more than 1 group wireless universals at same time in same place. 3. The red LED flashes when transmitter transmits DMX data by no interfered frequency section, then receiver changes communicated frequency section. Green LED flash till received corrected same ID value, LED flash more fast once DMX data more fast33 Plug Type: EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Colour:Black Material:Stainless steel Package Contents: 4 x Receivers 2 x Transmitter