This is not just an ordinary pen but also has a built-in DVR (Digital Video Camera) with HD camera which can be used to capture/produce high resolution photos and videos. It's indeed a cool gadget which is great for monitoring and capturing any situation or for just having some fun. Features: ·Home Surveillance, Digital Video Recorders SpyCam Pen ·High definition video with voice ·Playback video on your PC ·Easy connection with PC or Laptops, no driver needed ·Easy to use "One Touch" record button ·USB Plug & Play Compatible ·Can be used as a normal pen ·Can be used as USB storage device ·Built-in rechargeable high volume Lithium-ion Battery ·Real time record any video and audio evidence instantaneously