Industrial Covert Unlimited is in its 20th year of operation. CU1.COM has been up since mid 1999. Great security & CCTV products and people who answer the phone!
Check this out!
GOLD CCTV KT-402 Super Mini DVR (Digital Video Recorder) W/ SD Card Support
The GOLD CCTV KT-402 is a super mini DVR that can discreetly record your security camera to an SD card, and then off put it to your computer via a USB cable. Additionally this covert DVR can utilize power of 8V - 15V for a bit more versatility.
On top of all that you can record your video in a great 640 x 480 resolution. So if you're in need of a semi covert digital video recorder, then take a good look at the KT-402 from GOLD CCTV.