The Coleman 800 Lumens LED Lantern with BatteryGuard stops battery drain, so you ll have power when you need it most. Switching off the lantern automatically disengages batteries from the circuit to extend battery life by up to 25%. No matter the situation, from power outages to evenings by the lake, your lantern will be ready for anything, even when you re not. Product Features BatteryGuard technology stops battery drain to preserve battery life and reduce corrosion Allows batteries to be stored in lantern for years (up to their inherent shelf life) 3 modes: high, medium, low; lasts up to 30 hours on high and uses 4 D batteries (sold separately) Brightness: up to 800 lumens; beam distance: up to 15 meters IPX4 water-resistant design; impact-resistant up to 2 meters (on dirt) Lifetime LEDs never need replacing; 3-year limited warranty 3 modes: High, medium, low IPX4 water-resistance rating for reliable use outdoors in the elements Impact-resistant up to 2 meters (on dirt) Lifetime LEDs never need replacing 3-year limited warranty Product Specifications Color : Black Weight (lbs) : 1.550 Exterior Height (inches): 8.900 Exterior Length (inches): 4.500 Exterior Width (inches): 4.500 Max Run Time (hours) : 30 Lighting Beam Distance : 15 Lighting Water Rating : IPX4 Battery Type : Alkaline Fuel Type : Battery