TOUGHDOG SECURITY SYSTEMS is the best security brand for all security professionals. We are committed to service our distributors and dealers, to offer the best product at a great price. Our product line has the best features available in the market with uncompromised quality. Our technical support has engineers with a security background that will make the difference when you call. Our product line includes HD over coax, HD on IP, IP access control, and IP intercoms, all managed by state-of-the-art Surveillance Monitoring Software (SMS). For security dealers by ex-security dealers.