FLYTOP 2.5W 5.8G VTX Input Image Transmission Module For RC FPV Range Racing Specifications: Product Name: FLYTOP-VT25 Output Power: 0-25-400-800-1500-2500mW Input Voltage: 6-36V Parameter Adjustment Method: Button/OSD Operating Current: 450mA @ 12V, 800mW; ≤800mA @ 12V, 2500mW; Output Frequency Points: 56CH (A-B-E-F-R-X-L) Antenna Interface: MMCX Mounting Hole Dimensions: 20mm x 20mm / 30.5mm x 30.5mm Dimensions: 35.7mm x 35.7mm x 7.6mm Weight: 14.9g (excluding antenna and power cable) Video format: NTSC/PAL automatic detection Usage instructions and precautions: Adjust frequency and power via the button Button frequency control: Press the button once to switch between 1CH-8CH; Button frequency group control: Hold the button for 3 seconds until the RF light flashes and other lights turn off to enter frequency group switching mode, then press the button briefly to switch between frequencies A-L. Power button control: Press and hold the button for 6 seconds until the R light flashes and other lights turn off to enter power adjustment mode. Then press the button briefly again to switch between power levels 25mW-2500mW. Package Includes: 1x FLYTOP 2.5W 4.9G 5.8G VTX