security system & equipment-
(1) video intercom systems- digital color camera door phones/ doorphones, 4 wire color camera door phones.
(2) intercom systems- digital camera doorphones, digital power supply/ supplies, digital security central station.
(3) electronic locks- inward locks, inward lock w/double lock cylinders, outward locks.
(4) elevator intercom systems.
(5) digital video recorders systems.
(6) security equipment- carbon monoxide alarm, security lighting controllers, auto dialers, recessed magnetic contacts, digital keypad-one channel, alarm control panel, infrared photo beam sensors, photoelectric beam sensor.
(7) parking lot equipment- roll-up shutter contacts, mounting box, traffic lights, traffic sign controllers, eletric barrier, reflectors, warning strobe flasher, inductance coil detectors, remote controls, digital keypad.
(8) intercom accessory/ accessories- door bell buttons, signal controllers, security time delay, musical door bells, gas detective, sirens.