Usage Tips:Poduct information:Name: 5.8G wireless audio and video receiving moduleModel: RX5808Mode: SPI ModeReceiver Frequency: 5645-5945MHz;48channelsReceiving sensitivity: -90dBmFrequency control: built-in frequency phase-locked loopAV output: directly output analog audio and video signalsSupply voltage: 3.5-5.5VSupply current: 170mANote: Factory silkscreen batch number is different; batch different, the appearance of differences, does not affect the use of.Colour:Blue & SilverMaterial:PCB+Electronic Components+MetalPackage Contents:2 x A/V Receiver ModuleOnly 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.