Multifunctional watch camcorder dvr video camera waterproof up to 50 meters easy to use by “one touch” record button built-in rechargeable lithium-ion battery it is easy playback the video on pc by simply plug & play recording mode: continuous recording until memory is full or manually off specifications: video format: avi, picture format: jpeg, audio format: wav video compression: 1280(w)x960(h) @30fps 24khz video file size: 3mb-4mb per min microphone: built-in flash memory: 32gb