These are wall mount, low profile clear strobes that offer dependable visual alarms for warning and emergency notification. Applications include doorbell, emergency communication, severe weather, emergency response and many more. The units offers tamperproof field selectable candela options of 15, 30, 60, 75, and 110 candela. They are shipped with a standard 4" mounting plate which incorporates the popular Super-Slide® feature that allows the installer to easily test for supervision. The product also features a locking mechanism that secures the signal to the bracket