100% Brand New! The smallest mini DVR in the world which conceals in the pen. USB Plug & Play Compatible /Smallest Pin-hole Camera used for spy. Easy connection with PC/Laptops, no driver needed(Support USB 2.0 ) Built-in 4GB flash memory for as long as 2 hours video recordin/Can be used as USB storage device Built-in rechargable Battery type : Lithium-ion Support WINDOWS98/98SE/ME/2000/XP Dimensions: 150mm*15mm*15mm Brand New (Never used)