Specifications: Input Voltage: DC 7-36V (2-8S Battery) Working Current: 120-860mA (12V or 25mW-2500mW) Operating Temperature: -10鈩 to 60鈩 br>Video Input Impedance: 75惟 Dimensions: 39.5脳27.5脳14.5mm Antenna Interface: MMCX Format: NTSC or PAL Protocol: IRC Tramp Weight: 20g Mounting Hole: 25.5脳25.5mm or 蠁M2 Output Power: 25mW or 400mW or 800mW or 1600mW or 2500mW or Pit Built-in Microphone Features: 1.High power output options up to 2500mW for long range FPV experience. 2.Wide input voltage range of DC 7-36V, compatible with 2-8S batteries. 3.Compact design with dimensions of 39.5脳27.5脳14.5mm and lightweight at 20g. 4.MMCX antenna interface for secure, easy, and swift connection. 5.Input video impedance of 75惟 ensures stable and high-quality video transmission. Package included: 1 X 5.8G 2.5W FPV VTX Transmitter 1 X MMCX Antenna 1 x Connection Cable Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.