Product name:2.4G Wireless DX512 transceiverThree primary color LED display126 frequency band automatic frequency hopping, automatic selection of interference -free frequency band, the reliability of communication sets of liD codes can be set, users can use in one place, of the 7 sets of wireless networks without interferenceommunication distance: 300M (open space, depending on the ring, and change)Dperating Band:2.4 G , 126 bandsInput Voltage: 9vDc 500mAReceie sensitivity: -106 dbm Signal interface: 3-pin PlugPlug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.Voltage: AC220VColor: BlackMaterial: Metal+PlasticPackage Contents:1 * DMX512 Battery Wireless ControllerOnly 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.