Eachine TX805S 5.8GHz 40CH 25/500/1000/1600mW AV FPV Transmitter VTX LED Display With Mic Heatsink Support OSD/Pitmode/Smart Audio for RC Drone Airplane Long Range Precise details: -Specification: Input voltage: 7V to 24V 5V camera supply: 220mA(MAX)----25mW@12V(Type) 5V camera supply: 470mA(MAX)----500mW@12V(Type) 5V camera supply: 550mA(MAX)----1000mW@12V(Type) 5V camera supply: 830mA(MAX)----1600mW@12V(Type) Extra features: Smart audio Power supply: 5V output for Camera Output power: 25mW/500mW/1000mW/1600mW switchable Antenna connector: MMCX Cable connector: Solder pads Dimensions: 36mm*22mm*5mm,30.5 stackable hole Weight: 11.3g(excluding antenna) -Button control Channel select mode --Channel select: Select channels by simple short presses. Blue LED light on stands for CH1,short presses to change 8 channels sequentially. For CH2/3/4/5/6/7/8,Blue LED flicker once,it won't light on. Notice:Blue LED only light on for CH1 --Band select: Press button for 2S,Red LED will flash,then short presses to select 5 bands. --Power select: Press button for 4S,Red LED will flash,then select power by simple short presses to select 25mW/500mW/1000mW sequentially, For 500mW, Green LED flicker once,it won't light on;For 1000mW Blue LED flicker once,it won't light on .Press the button again , Red LED,Green LED and Blue LED lights together,Represents the highest power 1600mW. --Notice:Red LED only light on for 25mW. --Pit Mode(0.01mW) While in Pit Mode you can change channels and set power levels , but none of these changes will take effect until you quit Pit Mode. By default ,Pit Mode will send a very weak signal. --Two ways to exit pit mode: Press button 12S until all 16 LED turned off and light on again to exit pit mode,or you can exit pit mode via Betaflight OSD. --Notice:The VTX has memory for settings,To change the settings ,please repeat steps as above. -Features: -Support Smart audio -25mW/500mW/1000mW/1600mW power switchable -One button frequency and power setup -OSD configuration using smart audio -Wide input Voltage with 5V for camera -40 channels with MIC -Solid MMCX Antenna connection and MMCX Brass Dipole Antenna -Package included: 1 x TX805S- 5.8GHz 40CH AV Transmitter VTX 1 x pigtail 1 x Antenna 1 x Instructions