It looks like a pen. It writes like a pen. But it's actually one of the world's smallest and most discreet digital recorders! 4GB digital pocket recorder is the perfect way to secretly capture video. Great for conversations with your ex-wife, vendor meetings, negotiating with salespeople and more! This working pen records both still photos and video. It has a color CMOS image sensor that captures video in 600x480 resolution at the simple press of a button. Also has 4GB flash memory to store up to 5 hours of video, on-board mic, built-in rechargeable battery, comfort rubber finger grip, replaceable ink cartridge, USB 2.0 interface and more. Works with most computer operating systems including: Windows® 2000, Windows® XP, Windows® Vista, Windows® 7 & Mac® OS version 10.0. 6"L. NOTICE: State and federal laws make recording audio illegal under certain circumstances. Carefully check all applicable laws before using the audio recording feature to make surreptitious recordings.