Automatic circulate recording, connection. Removable battery, easy to replace the battery and prolong life. It is mainly for automobile data recorder, diving records, outdoor riding, home security, diving surfing, climbing and other scenes to meet your needs of shooting HD images everywhere. Provided with waterproof shell diving capabilities to make you shoot the wonderful water and underwater sports, waterproof shell can be waterproof to 30 meters depth. 1080P HD high-speed shooting function. Ultra HD display screen, real time display and play exciting video capture.