input signal:AV, Signal source:DVD,VCD,PC,cell phone,Other video signalsDC:USB5V,AV110--DC5V ,AC220--DC5V, power bankTransmission frequency VHF : 85.25MHZ--216.25MHZ, UHF:471.25MHZ--839.25MHZAudio frequency settings:4.5MHZ--5.5MHZ--6.0MHZ--6.5MHZInput high-definition 1080P signal, convert AV signal output, and transmit analog TV signal at the same timeHigh-definition input signals can be converted from N-system signals to P-system signals, and P-system signals can be converted to N-system signals.Launch distance 10-20 metersColour:As ShownMaterial:plastic+MetalPackage Contents:1x TV multi-channel transmitterOnly 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.