1. Two-speed adjustable power, up to 3000mw, suitable for long-distance flight 2. 9 optional channels 3. Wide voltage input, supports 7-36V volts 4. With temperature control protection function to prevent high temperature burnout 5. Support 30.5x30.5mm (M3) installation hole Product name: 1.2G/1.3G 3W VTX Size: 36x35x10mm Installation hole: 30.5x30.5mm (M3) Frequency band: 1080MHz-1360MHz Number of channels: Frequency: 1080/1120/1160/1200/1240/1280/1320/1360/1258 (MHz) Output power: 500mW/3000mW/Pit mode Frequency stability: 100KHz (TyP.) Antenna port impedance: 50 0hms Input voltage: DC7-36V (2-8S Battery) Output voltage: 5V@600mA Antenna interface: MMCX Cable interface: sh1.25 6pin Video format: PAL/NTSC Operating temperature: -10~+60 Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:random color , don't accept the specified color Material:PCB Package Contents: 1 x 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.