VTX feature: Channel 8CH; Control protocol Tramp,supports OSD parameter adjustment; power: PIT 25mW, 200mW,1600mW; High efliciency DC/DC power supply supports 7-36V; Support 5V voltage output Mounting hole: 305 x 305MM/M3 holes Product parameter Transmitter ( side): Input voltage: 7-36V DC(2-6S) Output voltage: 5V/05A Weight: 156g (without antenna) Dimensions (L W H): 37mm x 46mm x 175mm (including SMA and fan) Video system: PAL/NTSC Number of channels: 8 channels Channel selection: short press to switch frequency Transmission frequency: 8CH, see frequency table for details Transmitting power: 33dBm1dBm(MAX) Power adjustment: power adjustment button, short press switch Power number: fourth gear, 25mW, 200mW, 1600mW; Antenna interface: SMA Modulation type: FM Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use Colour:random color , don't accept the specified color Material:PCB Package Contents: 1 x VTX KIT 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.