door sensor connected to DVR

Mike Haldas is the co-founder and managing partner of CCTV Camera Pros. Mike works on product research and development for the company. Before starting CCTV Camera Pros, Mike worked as a software engineer in the web hosting industry. CCTV Camera Pros is a veteran owned business as Mike proudly served in the United States Marine Corps (USMC) from 1993 to 1997. Mike can be contacted for questions about this article and anything related to video surveillance systems at mike@cctvcamerapros.net.