Cuts circles from 1 7/8'' to 8 1/2''. Innovative, ratchet mechanism is efficient and easy to use No more dragging the blade through bunched fabric or dealing with time consumi.
This means that smoke emitted from the incense will set off a smoke alarm when in range of the detector.
High humidity in the air can set off smoke alarms. The density of the moisture particles in the air trigger the alarm. The device has no way of distinguishing between light smoke particles and heavy moisture content. Insects. Small insects can crawl into the smoke detector itself and set off the alarm.