2.55 pounds 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 SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2 in 1 Smoke and CO Detector with Voice Alert, Smoke and CO Alarm with Self-Check, 3 Pack Added to wishlistRemoved from wishlist 0 Add to compare $128.99