White Coloured Smoke Detector consists of two chambers such as an open, outer chamber and a semi sealed reference chamber within. The Smoke Detector is offered with the feature of enabling current to flow between the inner and outer chambers when the detector is powered up. The Smoke Detector is designed with a visible red LED lights, which turns on when the detector changes to alarm state. The White Coloured Smoke Detector is suitable for use in areas where transient levels of smoke may be expected.