The Micro Lantern uses a specially designed conical reflector and a bright Nichia 5 mm LED to illuminate everything within a 6.5Ì (2 m) diameter. ItÌs the perfect tent or walking lantern and it fits in the palm of your hand. Water resistant with a positive feel rubber On/Off button and flashing mode for emergencies. Attaches to your pack or jacket for the ultimate in portable light. Features: Size: 2Ó (5 cm) Battery Life: 25 hrs; 50 hrs Flashing.