![FIRST ALERT 9120B6CP Smoke Alarm, 120 V, Ionization Sensor, 85 dB [SKU: ORG5831433]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/8519/8635/5831433__02388.1683054124.jpg?c=1 "FIRST ALERT 9120B6CP Smoke Alarm, 120 V, Ionization Sensor, 85 dB [SKU: ORG5831433]")
![FIRST ALERT 9120B6CP Smoke Alarm, 120 V, Ionization Sensor, 85 dB [SKU: ORG5831433]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/8519/8635/5831433__02388.1683054124.jpg?c=1 "FIRST ALERT 9120B6CP Smoke Alarm, 120 V, Ionization Sensor, 85 dB [SKU: ORG5831433]")
Product Overview
Designed to help promote household safety, the FIRST ALERT 9120B hardwired smoke alarm with battery backup can provide a vital early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast-flaming fires. [QTY/UOM: 6 / 1PK] [PMS SKU: ] [Category: FIRE/HOME PROTECTION/FIRE\/SMOKE ALARMS;Shop All]
![FIRST ALERT 9120B Smoke Alarm, 120 V, Ionization Sensor, 85 dB, White [SKU: ORG7730138]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8521/8637/7730138__94688.1683054125.jpg?c=1 "FIRST ALERT 9120B Smoke Alarm, 120 V, Ionization Sensor, 85 dB, White [SKU: ORG7730138]")
![FIRST ALERT 3120B Smoke Alarm, 120 V, Ionization, Photoelectric Sensor, 85 dB, White [SKU: ORG5217252]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8487/8603/5217252__96471.1683054107.jpg?c=1 "FIRST ALERT 3120B Smoke Alarm, 120 V, Ionization, Photoelectric Sensor, 85 dB, White [SKU: ORG5217252]")
![FIRST ALERT 1039796 Smoke Alarm, 9 V, Ionization Sensor, 85 dB, Alarm: Audible [SKU: ORG3947918]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8505/8621/3947918__62763.1683054116.jpg?c=1 "FIRST ALERT 1039796 Smoke Alarm, 9 V, Ionization Sensor, 85 dB, Alarm: Audible [SKU: ORG3947918]")
![FIRST ALERT 9120LBL Smoke Alarm, Ionization Sensor, 85 dB, White [SKU: ORG2531226]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8490/8606/2531226__44459.1683054108.jpg?c=1 "FIRST ALERT 9120LBL Smoke Alarm, Ionization Sensor, 85 dB, White [SKU: ORG2531226]")
![FIRST ALERT 0827B Smoke Alarm, 3 V, Ionization Sensor, 85 dB, White [SKU: ORG5217286]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/8488/8604/5217286__05285.1683054107.jpg?c=1 "FIRST ALERT 0827B Smoke Alarm, 3 V, Ionization Sensor, 85 dB, White [SKU: ORG5217286]")