1The output power is stable, the transmission distance is long, and the power supply filtering ability is strong. 2Fast 3speed power switch, two independent red indicator lights, indicating that the current transmitting power is 25/100/200MW. 3Support for OSD remote debugging ( IRC for Tramp), support for PIT mode debugging, can only be opened in for OSD. 45.8G ISM frequency band analog image transmission, 40 signal channel transmitter module. 5Compatible for FPV racing drone, super mini, lightweight and stable performace. Item Type:Drone Transmitter Module Material: Electronic Component Color: As Picture Shown Size: Approx.37x29x24mm/1.5x1.1x0.9in Weight: Approx. 4.0g/0.1oz Input Voltage: DC 4.5-5.2V Power Switch: 3 Gear 25MW/100MW/200MW Input Current: 500 MA (200MW) Signal Channel: 40CH Frequency Switching: Manual Button/ForOSD (for IRC Tramp) (support at the same time) Antenna Interface: For IPEX Fit forFPV Racing Drone How to use: 1. Frequency Adjustment: FR button can switch frequency Short Press: Switch channels, 4 blue LEDs indicate channels. Long Press (2 seconds): Switch group, 3 green LED indicator groups. There are 40 frequency points, a specific channel frequency reference frequency list. Interface Introduction: For GND negative pole of power supply + 5V power supply positive For VIN camera video input For RXD flight control serial transmission 1 xDrone Transmitter Module 3 x Silicone Pad 1 x Antenna 1 x Connect Cable