Ultimate Survival Technologies UST SplashFlash LED Flashlight Waterproof & submersible, impact resistant ABS housing, includes carabiner, rated to IPX7 Steady-on & SOS flashing modes, bright white LED, 25 lumens 360 degree visibility, unbreakable lifetime 1 x 5mm Nichia white LED bulb Use as a flashlight, mini lantern, tent light, boating light or as a personal locator light Measures 1 x 3 Inch and only weighs 1oz with included AAA battery