The Pyrotector Model 30-3003 Explosion Proof Smoke Detector is a sensitive yet rugged protection device that is designed for use in hazardous industrial and commercial locations.
System Sensor i3™ sounder and relay smoke detectors apply the guiding principles of installation ease, intelligence, and instant inspection in a series of specialty conventional devices.
HN-A500I is a high efficient 500W Power/Booster amplifier provides audio signal amplification for public address and voice alarm system, It is reliable, efficient and light in weight.