The ultra-compact MoonForce LR44 Survival Light produces a bright 30 lumens of light and can run for up to 60 hours. The biner clip attaches to almost anything so you always have bright light at hand.Features: Bright light up to 30 Lumens Runs 60 hours continuously Lifetime LED is unbreakable andnever needs to be replaced Water-resistant IPX4 Rubberized soft grip case Tough anodized aircraft-grade aluminum with non-slip sleeve Biner for quick clip to tent, pack and car keys Specifications Case Material Anodized Aluminum with silicon rubberized wrap Size 1.75” x .7” x .7”(44 x 18 x 18mm) Weight .65 oz. (18g)(with batteries) Bulb 1 Nichia 5mm LED Chip Brightness (ANSI Measured) 30 lumens Modes On, Off Run Time (ANSI Measured) 60 hours Battery 4 x LR44 Batteries (included)