449CST - ESL Smoke/Heat Detector with Sounder
Price 47.68 - 63.93 USD
Intelligent self-diagnostics * Heat sensor is available with all T model detectors * 85dB built-in sounder alarms when smoke is detected or when power wiring polarity is reversed. * Advanced false alarm immunity * Meets NFPA 72 field sensitivity testing requirements without the need for external meters