1)handwriting pen + camera +Udisk + (High Resolution) usb pen camera dvr 2)easy to use , recording high resolution picture

1)handwriting pen + camera +Udisk + (High Resolution)  usb pen camera dvr2)easy to use , recording high resolution picture3)keep real voice

More Details:

Pinhole
Camera Pen
Video Pen
handwriting pen + camera +Udisk + (High Resolution)
elaborate pen write & Recording
easy to use , recording high resolution picture,keep real voice
Camera:CMOS 1300K Pixels, using 7670high resolution lens
Micro :-54dB+-2dB work within scope 15 square meter
Interface:USB2.0,
Power:built in 5V rechargable Lithium battery ,can recording to 1.5 hours
file format :Viedo format :CIF(640*480),Voice format:AVI
Acessories:220V charger

Audio Video Pen PT-S918 usb pen camera dvr