Access control is a selective restriction of access. Based on pre-programmed access criteria, the access control system determines who is allowed to enter or exit, where and when they are allowed to enter or exit.
Burglar security system is based on the concept of securing various access and entry points with sensors that communicate with an installed control panel. The sensors monitor access points for unauthorized entry.View More
A fire alarm system consists of a number of devices in the same network that function to detect emergencies such as smoke, fire and carbon monoxide, and produce auditory and visual signs of distress to notify appropriate parties.View More