AC/DC operated inter-connectable optical (photo electric) smoke alarm with test / hush, fitting and battery tamper resistant features. AC power, low battery, battery missing and 2 colour LED alarm indicators.
Extra loud alarm sound - over 85dB. Auto re-set when smoke clears.
Quick fix mounting bracket for easy installation.
Enviromentally friendly non-radioactive technology.
Optical smoke detectors are more effective at detecting larger particles of smoke produced by slow burning fires such as smouldering foam filled upholstery and over heated PVC wiring. They are marginally less sensitive to free burning flaming fires.