EWRF HMDVR AV Recorder 640*480 Mini DVR Module Support 32G TF for FPV Goggles Monitor Camera Receiver Drone Precise details: Specification: System Startup time: 3 Second Video input Format: PAL/NTSC Video input impedance: 75 Typ Video Compress Format: MJPEG Record File Resolution: VGA (640*480) Record File Format: AVI Record Sound: ON Cyclic Record time: 2min Frame Rate: 30 Frames Video Output Format: PAL Video Output impedance: 75 Typ Memory Card: TF-ard,Support UP to 32GB (C10 recommend) Video Playback: CVBS output (connect to monitor) AV input interface: 3.5mm AV Jack AV Output interface: 3.5mm AV Jack Charging interface: Micro USB interface Charging Voltage: 5V DC Battery(not detachable): Build-in 3.7V/500mAh Li-ion polymer Battery Battery Life: Each full charge revive around 1.5-2 hours working time Operating Tempetature: -10~60?br>Operating Humidity: 85% RH Dimension: 53mm*33mm*9mm Weight: 22.8g Features: -Small size and light weight; -Low power consumption,working current 200mA; -Aluminum metal shell(CNC machine); -Support Up to 32GB TF card(class 10 recommend); -Built-in 3.7V/500mAh Li-ion polymer Battery; -Universal USB charging interface; -High precision 4 level battery power indicator; -CVBS signal input (Built-in Video decoder); -Support Playback and AV signal output (Built-in Video encoder); -Working time:1.5-2hours; -Charging time:about 1hour; Package Included: 1x DVR Recordering Module 2x Cable Safety instruction: 1. Read the entire instruction manual to become familiar with the features of the product before operating. 2. Please avoid wet or humid environments. 3. Please use standard USB charger,charging voltage can only be 5V. 4. DVR has a built-in battery,don't store it in a high temperatureand humid environment.