2 Pack, 9V, Battery Operated, Fire Alarm, The First Alert SMI100 Battery-Operated Smoke Alarm is available in a convenient two pack. The SMI100 smoke alarm 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.
| SKU | 131035 | Weight | 0.69 lbs |
| Package Width | 6.75 in | Package Length | 3.69 in |
| Package Height | 8.5 in | Brand | First Alert |