The security system of buildings is a comprehensive security system formed by using computer, television monitoring and intrusion reporting technology to ensure the safety of people and property.

1、 Access control system (entrance and exit management system)

(1) Intercom door machine: ordinary intercom door machine and visual intercom door machine.

(2) Electric lock: key electric lock, magnetic card electric lock, IC card electric lock, password electric lock, fingerprint electric lock, etc.

2、 Intrusion alarm system
(1) Intrusion alarm detectors include door and window magnetic switches, glass breaking detectors, passive infrared detectors and active infrared detectors (truncated and reflective), microwave detectors, ultrasonic detectors, double (or three) detectors, coil sensors and leakage cable sensors.
(2) The central alarm control is composed of microprocessor, equipped with display, printer, etc.
(3) the alarm mode adopts audible alarm (electric whistle, pipe bell, strobe lamp, etc.) and silent alarm (sending alarm signal to the monitoring center or Public Security Bureau 110).

3、 Television monitoring system
(1) Intelligent engineering analog TV monitoring system is composed of camera device, transmission control line, monitoring host, star display video equipment, etc.
(2) Digital video surveillance system (DVR) is composed of digital camera, computer or hard disk video recorder, image compression and decompression system (MPEG4), image recording and function switching control device, etc.

4、 Patrol System
(1) The off-line patrol system adopts modular information button and information acquisition (Patrol) rod. The information button is installed at the patrol point. Century star introduces the patrol personnel to carry the information acquisition (Patrol) rod, patrol according to the predetermined line, collect information and record patrol information.
(2) The on-line patrol system realizes the patrol function by using the equipment (buttons, card readers, etc.) of the alarm system and access control system.