specification: 1. 640*480@30-60fps 2. OV7740 low illumination level 3. Audio-Recording, Mp3 ... , MINI DVR CAMERA, mini camera watch camera 1. 640*480@30-60fps2. OV7740 low illumination level3. Audio-Recording, Mp3 format; 4 ... . Led auto hide; 8. Support external DC power; 640*480 30-60 FPSWaterproof Digital Camera Watch