Specification Brand name EachineItem name DTX03 DVR FPV VTXOutput power 0 25mW 50mW 200mW switchable Set output power on 0 to avoid frequency interference Input voltage 3 2 5 5VCurrent consumption 630mA 390mA 25mW 750mA 450mA 50mW 970mA 550mA 200mW Video system NTSC PALVideo format AVIOutput signal strength 14 ± 1dbOutput impedance 55ΩAudio carrier 10KΩAudio carrier level 28 30dBcMicro SD Card Max 32GB CLASS 10 Operating temperature 10 60 degrees CAntenna dimensions 22mm X 29mm diameterAntenna 4 lobe right hand circular polarizedFrequency 5 8GHz 9 bands 72 channels with Raceband 5325 5945 MHZSize 28 18 04mm L W Weight 6 97g Operation 1 The menu Settings Short videos click the CS2 key end video long press the CS2 again can enter the Settings menu functionLong press CS2 again can exit menu function set to return to the main page Quit video enter the menu function keys need short press long press CS2 CS1 and CS3 choose for scrollup and down keys Long click CS2 can exit menu to return to the main page 2 Video recording Insert SD card boot default automatic video short press the CS2 key end video short press the CS2 key again for the next round of video 3 Video playbackLong press CS1 enter the video play page CS1 and CS3 choose for up and down keys CS2 button to play and suspend then long press CS1 can exit play video reverse back to the main page