D-Con refillable mouse bait station with. Cholecalciferol formulated to encourage repetitive feeding. 2 entry locations for mice and placement in corners. Window shows how much bait is left. Compact and low profile to fit in tight places. Child (tamper resistant), pet resistant, and weather resistant. Meets California Department of Pesticide regulation rule making. Uses 0.7 Oz. bait block. Includes refills. For indoor and outdoor use.