TrueSafe Ignis Beam Detector has built-in Laser beam point and a Digital guide display. It has a User-friendly alignment method. The Laser beam point accurately point to the exact location. The 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, The TIBD-100 has four adjustable operational ranges of as 8 to 20, 20 to 40, 40 to 70 and 70 to 100 meters beside three adjustable sensitivity settings range from 2.6dB, 3.8dB and 5.8dB to meet the specific environmental requirement. The TIBD-100 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.