External storage only, supports up to 128G TF card (without card), can format the card by yourself. Equipped with a 4800mAh rechargeable battery, it can provide up to 24 hours of recording time. This wearable camera has video/audio/photo/playback functions. 4K Full HD video, helps you collect clearer videos. Longer video clips, this camera allows you to record up to 30 minutes of video for easy viewing. Record before and after the event, never miss any important moments, the file protection function ensures your safety., Weight: 0.55336027762 pounds, Manufacturer: tiyao