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.
Join Date: Jun 1999. Smoke alarms 'scan' for particulate matter larger and more densely than what a cigarette or a small bit of incense produces. Keep on adding more and more cigarettes or incense, or, hold it right under the alarm and you'll get it to go off.