Features The largest external card supported: TF 128G (not included) Level requirements: level 10 or above Battery type: built-in Charging: Insert one end of the USB cable into the USB port of the machine, and the other end into the USB port of the computer or charger. The charging time is generally about 3 hours to fully charge. Charging method: PC USB charging Working time: about 280 minutes at 1080P 30fps Camera pixel: 12MP Decoding format: MJPG Video format: AVI Video resolution: 1080P (1920 x 1080), 720P (1280 x 720) Video frame rate: 30fps Recording format: WAV 512Kbps Weight: 54g Four high-power 940 infrared lights Size: 9.3*3.6*1.5CM Audio system: built-in microphone/speaker (AAC) USB function: U disk Interface type: MicroUSB Night version: yes This pocket size camera can record video and motion detection. In addition to continuous recording, the camera also has motion detection mode, which greatly saves memory space and prolongs recording time. You don't have to worry about missing the big moment again. It has a front and back clip that can be fixed to the pocket for hands-free recording. The working time of the camera is about 280 minutes. This also enables it to protect it, which is very suitable for you to use when shooting surveillance video. Mini size, convenient for you to carry, no space