First Alert 7020B Photoelectric Smoke Alarm, 120 Volt Rope Width : 1 inch

Width : 1 inch

3 Amps with variable-speed dial

3 AH NI-CD battery with double metal protection

A liquid repellent to keep mouse and rats away from indoor storage areas

Horizontal - adjustable

First Alert 7020B Photoelectric Smoke Alarm, 120 Volt Rope Width : 1 inchHighlights: 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