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170 mm × 449 mm × 421 mm (6
reduce latency
PS209-R internal & EC-SIREN external sounders
Female Range ＜5m Frequency 20~60KHz Power Supply Interface 1xDC 5V_2
Allows an external device to be triggered when the intercom is called
OPT-SL-350QDP - OPTEX 100m outdoor active infrared (AIR) beam se Desktop PC - Mini 170 mm × 449 mmOutdoor photo beam professional, 4 channel Aspherical lenses Including LED and sound gauge Stackable model Dual modulation Beam The SL 350QDP is a 100m outdoor active infrared (AIR) beam set, wired designed for perimeter security. The Quad beam set features four selectable channels making it easy to stack in beam towers and dual modulation to provide a highly reliable signal transmission even when exposed to strong sunlight or light sources. The SL
