Product name:JHEMCU VTX20-600 5.8Ghz 40CH PIT/25mW/100mW/200mW/400mW/600mW IRC FPV Transmitter 20x20mm MMCX For RC Racing Drone Precise details: Description: Brand: JHEMCU Model: VTX20-600 Input voltage: 7-26V Output voltage and current: 5V 1A Number of channels: 40CH Transmitting power: PIT/25/100/200/400/600mW Interface: MMCX Control protocol: VTX IRC Tram Dimensions: 27x27mm Installation hole distance: 20x20mm Installation aperture: 3mm Weight: 3g Instructions: The image transmission supports the IRC Tram protocol to adjust the channel and power of the image transmission through the OSD and remote control, and also supports the switch of the power and channel through the button of the image transmission. Short press; select CH1-8 cyclically, and the number of times the green light flashes represents the number of CHs. Long press for 3 seconds; after long press for 3 seconds, the blue light will light up, continue to press and hold to cycle to select the frequency band FR A-B-E-F-R. Corresponding to the blue light flashes 1, 2, 3, 4, 5 times. Long press for 6 seconds; after long press for 6 seconds, the red light will light up, continue to press and hold, cycle to select the power 25-100-200-400-600mW, corresponding to the red light flashes 1 time, 2 times, 3 times, 4 times, 5 times . Package Included: Optional 1x VTX20-600 VTX 1x Antenna 1x Cable wire