Flashlight Cree XML-T6 LED Bulb, Adjustable focus, Zoom out 500-in700 Lumen. Switch: Press Tail-cap on/off, Power by: 1x 18650 3.6v/3.7v OR 3X AAA battery( AAA not included). Adjustable focus range for different usage, stretching to adjust its focus Flashlight. Flashlight 5 Mode: high / middle / low / strobe / sos with FREE 2-Year Warranty. Skid-proof and water resistant design, best suitable for Outdoor Camping, Climbing, Cycling, etc.