Features: Small size and light weight. Low power consumption, operating current 200mA. Support 32GB card (10 level recommended). Built-in 3.7V/400mAh battery. 4-level battery power indicator. CVBS signal input (built-in video decoders). Support playback and signal output (built-in video encoders) Specifications: Component:ABS Color:White/Black Video compression format: MJPEG Record file resolution: VGA (640x480) / (720x480) / (1280 x720) selectable Record file format: AVI Cycle recording time: 10min/20min/30min Frame rate: 30 Frame Memory card: Support up to 32GB (C10 recommended) Optical frequency: 50Hz/60Hz can be selected Video playback: CVBS output Sound input interfaces: 3.5mm Sound output interfaces: 3.5mm Charging voltages: 5V Charging current: 500mA Battery: Built-in 3.7V/400mAh battery Battery life: Each working load is 1.5 to 2h of working time. Operating temperature: -10-60°C Operating humidity: 85%RH Size: 53x33x9mm Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item. Package includes: 1 Set Video Sound Recorders Small size and light weight. Low power consumption, operating current 200mA. Support 32GB card (10 level recommended). Built-in 3.7V/400mAh battery. 4-level battery power indicator.