3 CR123A batteries required. (included) Showing the single result Default sorting Sort by popularity Sort by average rating 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 X-Sense Combination Battery Powered Smoke and Carbon Monoxide Detector with Voice Location, Wireless Interconnected Smoke Detector Carbon Monoxide Detector Combo, Model XP02-WR, 3-Pack Added to wishlistRemoved from wishlist 0 Add to compare $125.99