The Sunluxy DVR http://www.sunluxy.com/p.html
is made by Juan http://www.tv2211.com
Sunluxy 8CH (SL-7108) is similar to Juan JA7208
Sunluxy 4 CH (SL-7104) is similar to Juan JA7204
Firmware: http://www.tv2211.com/TechDown.asp
http://www.juancctv.com/downloads.html
I did a update on a SL-7108/JA7208 from 1.6.5 to 1.6.13 without any problems.
It is now a good DVR for cheap money.
SL-7108/JA7208 is also similar to this one http://dx.com/p/embedded-linux-8-ch-network-dvr-digital-video-recorder-w-dual-usb-lan-vga-more-107322
