Conventional Reflective Beam Detector has built in Laser beam pointing and Digital guide
display for real user friendly alignment method. The Laser beam pointing accurately point the exact
location where to mount mirror and with additional digital guide display allows to monitor and guide on the
actual light intensity between the mirror and detector which cannot be seen by our naked eye making it
more easy and convenient in alignment commissioning.
The AW-BK901 has four adjustable operational ranges of between 8 to 20, 20 to 40, 40 to 70 and 70 to 100
meters beside with three adjustable sensitivity setting ranges from 2.6dB, 3.8dB and 5.8dB to meet the
specific environmental requirement. The AW-BK901 works on the principle of reflective infrared beam
obscuration. Used in conjunction with a reflector, it will notify the fire alarm panel when the infrared beam is
obscured by smoke.

You can find the product by unique code: AW-BK901