Mini DVR USB pen drives

Video Recording: Yes (record conceals in the PEN, idea for kinds of hidden surveillance purposes, like for police to get the audio and video evidence)
Camera: CMOS Camera concealed in the PEN (2 million pixels)
Pen writing function: Yes (It is a recorder, at the same time, it is also a pen, enable kinds of hidden surveillance activities to be easy)
Audio Recording: Yes
Video Compression Format: AVI video format at 352*288, real time recording
Video playback: By Windows media player with PC
Video file size: >0.5mb per minute
Recording mode: continuous recording unless the memory is full or manual stop
Build-in memory: 1G,2G,4G
USB interface: USB 2.0
Power supply: By Build-in rechargeable Lithium-ion Battery, (working time: appr.100 minutes by one charge), no external cable and nice for hidden record purpose
Power Adaptor: with power adaptor supplied
Record time: up to 3-8 hours
Dimension: 1.5cm(Diameter) x 15cm(L)
Weight: 30g