Designed to help promote household safety, the First Alert Hardwired Smoke Alarm with Battery Backup can provide early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires.

Model 9120BA is a wire-in, 120V AC 60Hz single and/or multiple station smoke alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings. Available in Canada only. Dual Ionization sensing chamber.

Designed to meet the latest construction requirements, the First Alert Combination Smoke and Carbon Monoxide Alarm detects two threats, smoke and carbon monoxide. Lights on the face of the alarm tell you what the threat is, and false alarms can be silenced with a single button.

Hardwired combo smoke and CO alarm with replaceable battery backup. AC 120V interconnectable with silence and latching features. Includes Ionization smoke-sensing technology, electrochemical carbon monoxide sensor and a 9V battery. Available in Canada only. “Intelligent Sensing Technology” system is designed to reduce nuisance alarms.

The BRK 9120BA ionization smoke detector is designed to be hardwired to your building's 120V power source and can be interconnected with up to 12 BRK or American Sensors smoke alarms, and up to 6 smoke/co combination alarms so all units will …

Hardwired smoke alarm with replaceable battery backup. AC 120V Interconnectable with Silence and Latching features. Connection to AC power is made with a "Quick-Connect" wiring harness. Installation is quick, easy and cost effective. Smoke particles of varying number and size are produced in all fires.

2018年6月18日 · First Alert BRK 9120B Hardwired Smoke Alarms with Battery Backup (3), 9-volt battery (3), Mounting brackets with hardware (3) Batteries Included? Yes. Batteries Required? Yes. Alkaline.

2008年1月1日 · Rigorously tested to meet UL standards. Emits T3 pattern. Some of these items ship sooner than the others. Place at least 10 feet from kitchen/stove, and on the ceiling or high on a wall, no more than 10 inches from top. Carbon monoxide alarms can be placed anywhere, not just the ceiling or high on a wall.