Specifications: System startup time: 3 seconds Video input format: NTSC/PAL Video input impedance: 75? Typ. Video compression format: MJPEG Record file resolution: VGA (640 * 480) / D1 (720 * 480) / HD (1280 * 720) selectable Record file format: AVI Recording sound: ON/OFF selectable Cycle recording time: 10min/20min/30min Frame rate: 30 Frames Memory card: TF card, support up to 32GB (C10 recommended) Menu language: 11 language choices Optical frequency: 50Hz/60Hz can be selected Video playback: CVBS output (connected to the monitor) Audio input interface: 3.5mm AV jack Audio output interface: 3.5mm AV jack Charging interface: micro USB interface Charging voltage: 5V DC Charging current: 500mA Max Battery (non-removable): Built-in 3.7V/400 mAh lithium ion polymer battery Battery life: Each working load is 1.5 to 2 hours of working time. Operating temperature: -10~60°C Operating humidity: 85% RH Dimension: 53mm * 33mm * 9mm Weight: 24.5g Package Contents: 1x FPV Mini DVR Video Audio Recorder FPV Recorder