Offers 108 waterproof dvr watch. Specifications: 1.video resolution: 1,280 x 720 at 30fps. 2.photo resolution: 1,600 x 1,200. 3.with compass function. 4.video format: avi. 5.photo format: jpeg. 6.usb speed: 2.0 7.optional flash memory: 512mb to 16gb 8.supports audiosound recording. 9.with extra waterproof cap for microphone button. 10.with built-in li-ion battery for working continuously. 11.operating system: microsoft's windows me2000xp and mac os 9.2.2 or higher versions that does not need installation driver. 12.pc camera: can be used as standard pc camera, needs installation provided driver.