2.4G wireless DMX512 /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 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. momentary switch above the side led indicator to indicate ID setting 2. again to set IC,to the color ID desired, adding 1 each time you the switch advance the color ID code. 3. Working condition: LED constant lit up:No 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. "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 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 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 Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.