Pay in 4 interest-free payments of $5.37 Learn more
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
Automatically drains upon water shutoff
whether it's with sawdust from the shop or drywall from the jobsite
Includes a 50 in
Configured for cold climates or high flow rates
First Alert SMI100 Battery-Operated Smoke Alarm Size:1.9 in H x 5.4 in L x 5.4 in W Automatically drains upon water shutoffThe First Alert SMI100 Battery Operated Smoke Alarm is available in a convenient two pack. The SMI100 smoke detector is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards. This battery operated alarm is easy to install and the front access battery compartment makes for easy battery replacements. First Alert's Precision Detection advanced sensing technology complies with new industry standards