Coleman Rugged Battery Powered Lantern (Family Size) Rugged family-size battery-powered lantern for outdoor use 13-watt fluorescent twin U-tube bulb delivers bright white light Heavy-duty thermoplastic and rubber housing is weather-resistant Runs for 28 hours (low) or 18 hours (high) on 8 D batteries (not included) Cool touch bulb design; measures 9 inches in diameter and 15.25 inches tall