Control protocol Tramp, supports OSD parameter adjustment Highly efficient DC/DC power, supports 7-36V Power number: PIT 25mW/400mW/800mW/2500mW, short press the power adjustment button to switching power Channel selection (48CH): frequency band/frequency point adjustment button: long press 3 seconds to switching frequency band, short press to switching frequency point high-strength aluminum alloy CNC shell with built-in micro turbine fan for active heat dissipation, enhancing power and stable transmission. Item name:FPV VTX Type:transmitter ( end) Input voltage:7-36V DC (2-6S) Output voltage:5V/0.5A Transmitting frequency:48CH Video format:PAL/NTSC Transmitting power:34dBm1dBm (MAX) Antenna interface:MMCX Weight:about 15.6g (including outer shell, excluding antenna) Used for FPV drone RC model airplane The transmitter comes with a temperature control protection function to prevent prolonged ground parameter adjustment from causing the transmitter temperature to be too high. Support external audio input. Support 5V voltage output. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Black Material:CNC Size:38.7x26x11mm Package Contents: 1 * 5.8G 2.5W VTX 2500mW 48CH FPV Video Transmitter 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.