Description : Model Number : VT5804 BAT Lite Input Voltage : 6-36V Size : 28x28x6mm Mounting Size : 20mmx 20mm Weight: 6g Main Features: Stable Output power , Long transmission Range 0mW/25mW/200mW/400mW/800mW/1300mW Switchable Channel. Frequency and output power controlled though OSD configuration Fast Frequency Locking Function, start up does not interfere with companions Support Self-checking Function, you can quickly check whether the VTX works normally Mounting hole : 20mmx 20mm 0-1.3W 6th gear power can be set