The NiteCore Tiny Monster Flashlight TM26 is the the world’s Smallest & Brightest LED-flashlight with 4000 Lumens enough to blind a zombie and a built in intelligent charging circuit with voltage detection. The nitecore has integrated multi-function OLED display and a long runtime up to 1000 hours, using 4 × 18650 Li-ion or 8 × CR123 batteries. The NiteCore Tiny Monster Flashlight is great for camping trips, trekking, hunting and other outdoor activities during the night.