"I have a small retail business and my low cost standalone DVR became dysfunctional. One of my friend referred me to Ad-hocsecurity.com and they gave me a free consultation on DVR's and I choose one their PC based DVR with 16 Channel high resolution. They shipped me within 24 hours and I received it in 2 days. Video quality is just wow. Their prices are extremely great and quality is just amazing. I am so satisfied that I writing this review so that it helps many of others make the right decision. "