ALPS Mountaineering Spark 130 Flashlight Rugged aluminum housing flashlight that's water resistant and safe for rainy nights Extremely bright, long lasting Cree LED light with a click style tail switch Conveniently runs on 1 AA for 3 hours on High (130 Lumens of light), 7 hours on Low (35 Lumen of light), or 6 hours on SOS & Strobe Lanyard attachment points on tail cap Batteries:1 AA Alkaline (included), Weight with Batteries: 2.5 oz., Length: 4.3", Beam Distance: 90m (98 yd), IPX: IPX4