The EAL 20 LED lantern provides up to 100 hours of bright light with just four batteries. Offering dimming capabilities, red light, and flashing red light functions, the product measures 8¼ inches tall, uses four D-cell batteries, and has an output of 375 lumens. It also features an energy-saving mode that increases run time. Cost: $40. Coast Products. 800-426-5858. www.coastportland.com.