1.9"D x 5.6"W x 5.6"H Showing the single result Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Added to wishlistRemoved from wishlist 0 Add to compare First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack Added to wishlistRemoved from wishlist 0 Add to compare $101.90