specification: 1. 640*480@30-60fps 2. OV7740 low illumination level 3. Audio- ... , video watch, MINI DVR CAMERA, mini camera watch camera 1. 640*480@30-60fps2. OV7740 low illumination level3. Audio-Recording, Mp3 ... hide; 8. Support external DC power; Waterproof Video Watch HD 640*480