Ultra-bright and conservative 2-Watt Nichia LEDs can crank up to 3 lumens of brightness or dim down to 29 lumens and last for up to 3 days of continuous use. Amber LED indicators show brightness level. Green LED indicator flashes when the lantern is off for easy location in the dark. Water-resistant, rubberized construction withstands impacts. Retractable hook in the base transforms the lantern into a drop light that can be hung in a tent or cabin. Requires three "D" cell batteries (not included). 4.8"Dia. x 9.5"H.