input signal:AV, Signal source:DVD,VCD,PC,cell phone,Other video signals DC:USB5V,AV110--DC5V ,AC220--DC5V, power bank Transmission frequency VHF : 85.25MHZ--216.25MHZ, UHF:471.25MHZ--839.25MHZ Audio frequency settings:4.5MHZ--5.5MHZ--6.0MHZ--6.5MHZ Input high-definition 1080P signal, convert AV signal output, and transmit analog TV signal at the same time High-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 meters Colour:As Shown Material:plastic+Metal Package Contents: 1x TV multi-channel 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.