There's a Zip DVR Model to suit most installs...

Entry level HD DVR - Zip LITE
Widely compatible with most CCTV cameras on the market including HD-TVI, CVI, AHD and analogue. Ideal as a basic starter system in 4, 6 or 16-channel models, this DVR range records in 2MP real-time and features an audio in/out, 2 USBs for both mouse control and back up as well as a single hard drive bay.

Mid Range HD DVR - Zip SUPA
A great choice for most CCTV installations needs, recording in high 5MP quality, it's a great match for the new Zip range of 5MP HD cameras. Alarm inputs on all (4, 8 & 16) channels plus IP camera inputs and a useful eSata connection for adding up to 4 extra drives mean it really does suit most applications for a really great price.

High End 4K DVR - Zip XTREME
Extra high quality 4K (8MP) compatibility on the Zip Xtreme DVR range makes it a top choice where achieving super quality CCTV footage is key. This should be the top choice in environments such as shops and licensed premises where footage might be used in Court as evidence.