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 1.2G/1.3G-3W transmitter has stronger impact resistance and better heat dissipation performance. 7-36V wide voltage input, with temperature control protection function to prevent overheating and burning. Supports 30.5x30.5mm (M3) mounting holes. Product name:1.2G/1.3G 3W VTX image transmission 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 not affect the use. The straight head or elbow of the connecting line is random, and the designation is not accepted. Color:Blue Material:Aluminum Alloy Package Contents: 1 * VTX Kit(The color and appearance of accessories are random, and the designation is not accepted) 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.