Cree Q5 chipset 180lm maximum (actual performance varies by battery) * Dual use, 2-in-1 collapsible lantern and flashlight, pull out lantern, push in as flashlight * Tail-end on/off switch, Pocket size 110mm x 53mm x 53mm (4.4" x 2.1" x 2.1") * Uses 3 x AAA battery (not included), Housing Material - Aluminum and Plastic * Package Content - 1 LT13002 Flashlight Lantern