Specification: Features: _x000D__x000D_Use 2.4GHz ISM frequency band. Multiple selective channels supported for anti-interface from wireless. _x000D_The circuit adopts special power amplifier tube, which has high working efficiency, clear and stable receiving image, and longer transmission distance. When using this system without obstacles, the wireless transmission distance can reach 500M_x000D_Support 4 groups of channels. You can select these channels to avoid interference from signals. _x000D_With extended frequency function, multiple frequencies can be extended to up to 8 using frequency. Suitable for AV output devices such as DVD, DVR and IPTV, etc. _x000D_Supports video transmission of PAL/NTSC system and stereo audio transmission. There is no need to install software. Plug and play. Simple and convenient. _x000D__x000D_Specifications:_x000D_Frequency Band: 2.4GHz_x000D_Working Frequency Range: 2414MHZ-2468MHZ(Standard)_x000D_Extended Frequency: 2370MHZ-2510MHZ_x000D_Using Channel: 4(Can be extended to 8 channels)_x000D_2-way Audio Signal Device: Audio (input/output) Channels, Video (input/output) Channels._x000D_Video Input/Output System: PAL/NTSC_x000D_Power Of Transmitter/Receiver: 3W_x000D_Input Voltage Of Transmitter: AC 100V ~ 240V 50/60Hz_x000D_Output Voltage Of Transmitter: DC 12V 2A _x000D_Input Voltage Of Receiver: AC 100V ~ 240V 50/60Hz_x000D_Output Voltage Of Receiver: DC 12V 2A _x000D_Plug Type Of Adapter: US Plug_x000D_Transmission Distance: Approx. 3KM(in the open field), Approx. 5KM(with 24db antenna in the open field)_x000D_Compatible: For AV output devices such as DVD, DVR and IPTV, etc_x000D_Color: Black _x000D_Size: Approx. 91 x 66 x 27mm/3.58 x 2.60 x 1.06inch_x000D_Weight: 839G_x000D_Note: The receiver and the transmitter must be connected to the antenna before power._x000D__x000D_Package List:_x000D_1 x Transmitter_x000D_1 x Receiver_x000D_2 x Power Adapter_x000D_2 x AV Connection Cable_x000D_1 x User Manual_x000D__x000D__x000D__x000D_Note:_x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Features: 1Use 2.4GHz ISM frequency band. Multiple selective channels supported for anti-interface from wireless. 2The circuit adopts special power amplifier tube, which has high working efficiency, clear and stable receiving image, and longer transmission distance. When using this system without obstacles, the wireless transmission distance can reach 500M 3Support 4 groups of channels. You can select these channels to avoid interference from signals. 4With extended frequency function, multiple frequencies can be extended to up to 8 using frequency. Suitable for AV output devices such as DVD, DVR and IPTV, etc. 5Supports video transmission of PAL/NTSC system and stereo audio transmission. There is no need to install software. Plug and play. Simple and convenient. PackageList: