Smoke Detector YJ-151L-2/4

This product is a photoelectric smoke detector works with network conventional fire alarm control panel.The product is divided into 2-wire detector and 4-wire detector according to its networking approach.The smoke chamber work under the principle of smoke particles.Reflecting infrared lights accurately detect early smoke of a fire.The smoke detector will go into alarm when signal level exceeds the alarm sensitivity and send the alarm signal to the fire alarm control panel,during an alarm ,the LEDs will be constantly bright.The detectors are widely used in office buildings,shopping mall,banks,libraires and other indoor places.