UST - Ultimate Survival Technologies SplashFlash Flashlight, LED, 25 Lumens, Carabiner Keychain, Black. The multi-function, waterproof, and glow in the dark UST Splash Flash LED Light flashlight provides a broad illumination and works as a mini-lantern, safety light, and personal locater light. It runs for up to 11 hours on steady mode and up to 16 hours of flashing SOS signal - operating on a single AAA battery (included). The Splash Flash LED Light has an IPX7 waterproof rating, protecting it against water immersion for 30 minutes at a 1-meter depth). It features a high-impact ABS plastic with a molded-rubber lens protector for easy one-handed operation, an unbreakable white Nichia LED bulb that provides 25 lumens of 360-degree light, and a handy carabineer clip that attaches anywhere and can double as a key chain. Easy to operate, simply twist the collar back and forth to cycle through lighting modes (steady on, flashing SOS). Ideal for hiking, ultralight backpacking, and boating, the Splash Flash weighs just 1 ounce (with battery installed) and measures 1 x 3 inches. 20-17001-01