Take video/audio, take pictures, U disk storage, support separate audio recording * Special features: Motion detection, automatically cycling recording, recording while charging. * Rechargeable lithium battery capacity: 320MA; Working time : about 2 hours;; Standby time: 3 hours * Video encoding: M-JPEG; Video frame rate: 30fps 720*480; Picture format: JPG 1280*1024; Picture: 5M pix; Aspect Ratio: 4:3; Image sensor 1/3 COMS * Interface Type: MINI 4pin; Support USB 2.0.; Support AVI video format. Operation voltage: 3.7V; charging voltage: 4.2 -5V