Water Resistant multi-purpose 10 Day LED Lantern Lifetime Nichia 2x1W LED bulbs are unbreakable and will never burn out Runs continuously for over 10 days on LOW (21 lumens) on 6 AA batteries; runs 26 hours on HIGH (250 lumens) and 155 hours on SOS FLASHING Rubberized housing enhances impact resistance Three lighting modes (including SOS flashing) Built-in recessed hook at lantern base forhanging as Downlight Specifications Case Material High-impact ABS plastic with rubberized effects Size 6.2 H x 3.25 Diam. (158mm x 82.6mm) Weight 14.3oz (404g) w/batteries Bulb LED 2x 1W Nichia Brightness (ANSI Measured) 250 lumens on high setting Modes 3 Modes--High, Low and SOS Flashing Run Time (ANSI Measured) 10 Days on low setting Battery 6 x1.5v AA