Fenix LD15 High Performance LED Flashlight Pocket-sized, digitally regulated LED flashlight with two output modes 117-lumen output on high; eight-lumen output on low; 93-meter beam; runtimes from 1.5 to 39 hours on one AA battery Constructed of aircraft-grade aluminum with type III hard-anodized anti-abrasive finish; knurling on body for extra grip Waterproof to a IPX-8 standard; candle mode allows light to stand up on any flat surface Comes with key chain and lanyard; limited lifetime repair warranty. The item by design, shows some of it's thread when the head is screwed on.