Catalog > Consumer Electronics > Security & Alarms > Alarms > IR Beam Detectors 4CH Dual IR Beam 4CH Dual IR Beam STB-40F Dual IR Beam 40 Meters 4CH Frequency 12V/24VDC 90mA Max. NO & NC {171x82x80mm} 678.30 ZAR inc for 1 Each 2 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features 4 channel of frequency adjustment active infrared double beam. Selectable beam frequency,suitable for long distance and stack use,strong anti-interference ability. LED digital tube display received signal strength,easy to debug. Fully sealed design,rain-proof(fog),dust-proof(worm). High levels of anti-RFI/EMI capability. Professional anti-jamming optical housing. Specifications Working voltage : DC12-24V Working current : 90mA max Detecting distance : 40m Frequencies : 4 channel Alarm Output NO & NC Beam adjustment Horizontal:180°(±90°) Vertical:90°(±10°) Installation place Outdoor/indoor Working temperature -25°C~+55°C Dimension 171*82*80mm Downloads Datasheet - STB-40F PDF File 185.26 KB