8-channel local alarm input (expandable to 72 channels); supports NO/NC detector, detector tamper, short circuit and mask alarm 4 channel alarm outputs (expandable to 84 channels), along with forced ...

16-channel local alarm input (expandable to 80 channels); supports NO/NC detector, detector tamper, short circuit and mask alarm 4 channel alarm outputs (expandable to 80 channels), along with forced ...

Dahua, a China-based manufacturer of surveillance and security equipment, has long faced scrutiny from U.S. regulators over national security concerns. The sale of its North American division to ...