Product name: Foxeer Reaper Extreme V2 5.8GHz 72CH 2.5W FPV Transmitter Build-in Mic PitMode/25mW/200mW/500mW/1500mW/2500mW VTX for RC Drone Specifications: Name: Reaper Extreme V2 Input Voltage: 9~36V Output Voltage: 5V Channels: 72CH Power: 25mW/200mW/500mW/1.5W/2.5W, red light flash 1/2/3/4/5 times correspondingly Pit: Double click to enter Weight: 13g Mounting Hole: 20*20mm M2 2.8mm depth Size: 36*27.5*8mm Consumption: 1.2A/9V Package Included: 1 x VTX 1 x Silicon Cable Unlock the frequencies and power levels Long press the "KEY" button until the Red LED (PWR) is constant on, off, then on again, release the button unlock the all frequencies and power levels, flashed Red LED means in unlocked status, constant Red LED means in locked status. PIT Mode On/Off Double-click the "KEY" button to turn on/off the PIT Mode. Red LED (PWR) off means PIT mode on; Red LED (PWR) on means PIT mode off. In PIT mode, VTx outpout extreme low power. Note: If tramp cable is connected, button will not work, can not adjust frequency and power, controller will take over. BetaFlight only can accept 64 channels at most, so the O band is removed from the frequency table default.