NFC-500S-UL Photoelectric smoke detector consists of an IR emitter and Photodiode receiver, the emitter send a very narrow pulsed ray which scattered if it collides with smoke particles inside the sampling chamber, the photodiode receiver detect some of scattered beams which initiate the fire signal to the conventional panel.
NEVERFIRE smoke detector characterized by having two LEDS with 360 degree visibility, they are flashing in standby state but in fire state, they light up continuously in red, Two–wire, plug-in conventional detection technology, Infrared Scattering Technology, Designed for Fast and easy installation, Meet EN54-7 Requirements, Compatible with most of fire alarm panels & certified CE QACE20241069 which play a vital role in ensuring that NEVERFIRE products placed on the market of the world are safe.