Features: 25mW/400mW/800mW/2000mW adjustable power, suitable for long distances flight Wide voltages input, Supports 7V-36V Voltages input. One function buttons, two indicator lights, easy to control. VTX control protocol is Tramp,supports parameters adjustment. Temperature control protections function that can prevent highly temperature burning Support 30.5×30.5mm installation hole position Specifications: Material:ABS Mounting hole：30.5×30.5mm Frequency band：1080MHz-1360MHz Channel customer：9 Channel Frequency：1080/1120/1160/1200/1240/1280/1320/1360/1220MHz Output power：25mW/400mW/800mW/2000mW/Pit Frequency Stability：±100KHz (Typ.) Frequency precisions：±200KHz (Typ.) S/N(Fo±3MHz)：>70dBc Antennas Port：50Ohms Input voltages：DC7-36V（2-8S Battery） Output voltages：5V@600mA Protocol：IRC Tramp Antennas interface：MMCX Cable interface：sh1.25 6pin Package Includes: 1Set Video Transmitters note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.