Control protocol IRC Tramp, supporting OSD parameter tuning; Power: PIT,3500mW; Wide voltage input supports: 7-36V; Selected high-strength aluminum alloy CNC shell and fan for enhanced heat dissipation, stable power transmission; The transmitter comes with temperature control protection function to prevent the temperature of the transmitter from being too high during long-term ground parameter adjustment; Support external audio input; Supports 5V voltage output; L transmitter (sky end): Input voltage: 7-36V DC (2-6S) Output voltage: 5V/0.5A Video format: PAL/NTSC Number of channels: 64 channels Transmission frequency: 64CH, Transmission power: 35.5dBm ± 1dBm (MAX) Power adjustment: power adjustment button, short press to switch Power quantity: PIT,3500mW; Antenna interface: MMCX Modulation type: FM Colour:As Shown Material:Aluminum alloy+plastic Package Contents: 1 x 3.3G VTX Kit(Due to different product batches, some parts details may be different, which will not affect the use) 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.