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 100% Brand New and High Quality. It Helps Everyone to Be Convenient and Fast. Please Read the Description Part Before Purchasing. Check the quantity and color before buying It is also a good choice as a gift for friends and relatives