Smoke Detector with Drift Compensation Facility has a sturdy mounting base which allows the detector to be more easily installed on uneven surfaces. The Smoke Detector has drift compensation facility that virtually eliminates nuisance alarms from long-term dust build-up by automatically adjusting the detector’s sensitivity. The Smoke Detector is available with a built-in wireless transmitter. Smoke Detector with Drift Compensation Facility is ideal for those difficult to wire locations and applications where room aesthetics are critical, or where hazardous materials exist.