high-strength aluminum alloy CNC shell, sturdy and The transmitter has its own temperature control protection function to prevent the transmitter from overheating during long-term ground parameter adjustment Support external audio input Support OSD parameter adjustment Support 5V voltage output Transmitter ( end): Input voltage: 7-36V DC (2-6S) Output voltage: 5V/0.5A Power: PIT 25mW/400mW/800mW/3000mW Video format: PAL/NTSC Transmit frequency: 48CH Channel selection: Band/frequency adjustment button: long for 3 seconds to switch band, short to switch frequency Transmit power: 34dBm±1dBm(MAX) Power adjustment: power adjustment button, short to switch Colour:Black Material:aluminum alloy Package Contents: 1 * 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.