Specifications: This is a Waterproof Wrist DV Watch Hidden Camera with fashion design and big watch faceIt provides high quality videos, 30fps and video resolution 640x480 (30FPS)Built-in 4G memory.Records video in AVI file formatTakes still pictures 640x480 in jpg file formatAlso can be used to store your files like a thumb driveCan be used as a pc web cam (drivers included)Plug & Play Connection no drivers needed on Microsoft win98 SE/NT/2000/XP/ Vista/win7 or above.Playback videos using media player or QuickTime (no special software needed)Videos can be streamed directly from the watch for quick viewing on pcUSB transfer cable, driver disk, and battery charger includedTotally hidden camera no blinking lights! Nobody will ever know your recording.Batteries: Watch and DVR use separated power sourceWatch uses button battery will last up to 3 years (included)Built in Rechargeable High Energy li-ion battery for video functionFashionable attractive time piece keeps accurate timeMain function: MP3 player, video recording, taking picture and recording voice.