ON THE WAY 2000 Lumen Handheld Flashlight LED XML T6 Lamp Life: Approx 100000 h ;Material: High quality 6061-T6 Aluminum 5 Mode: high / middle / low / strobe / sos Adjustable focus range for different usage, stretching to adjust its focus Switch: Press Tail-cap on/off,Power by: 1x 18650 3.6v/3.7v or 3X AAA battery(Battery not included) Water resistant designA perfect item for outdoor sports , Such as Climbing