First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack Monocorn keeping them away from your

keeping them away from your vehicle's engine compartment

【Premium Print And Size】: suitable for US and Canada standard size 12

You can also combine R

model number: 1723U

First Alert SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup 2 Pack Monocorn keeping them away from yourBrand: FIRST ALERT Color: 2 Units (Sc 9120b) Features: Hardwired CO smoke alarm features battery backup for constant monitoring Can connect to other compatible BRK or First Alert CO smoke detectors Lights indicate if the alarm is for smoke or for carbon monoxide Single test silence button for simple operation Side load battery compartment for convenience Binding: Kitchen Details: The First Alert BRK SC 9120B Hardwired Combination Smoke and Carbon