First Alert 7020B Photoelectric Smoke Alarm, 120 Volt Rope 3 Amps with variable-speed dial

3 Amps with variable-speed dial

Usage for track and recessed lighting

Width : 1 inch

Adjustable threaded barrel compensates for various door clearances

Two coats are necessary

First Alert 7020B Photoelectric Smoke Alarm, 120 Volt Rope 3 Amps with variable-speed dialHighlights: 120V with 9V battery back up (easy side load) Optipath 360 smoke sensor Hardwire photoelectric smoke alarm with escape light Install in bedroom, family room or kitchen Intelligent sensor reduces nuisance alarms Silence test button, low battery warning Quick connect pig tails Blinking power indicator light Automatically performs internal test Universal mounting bracket with screw slots Interconnect up to 18 units Boxed