USA Ultrafire 2500lm 5-mode Adjustable Cree Xm-l T6 LED 18650 Flashlight Torch Lifetime-above 10,000hrs Save 40% power compared with Xenon and Luxeon Bulb. Adjustable focus range for different usage Zoom: x1 x250 x500 x1000 x2000 5-mode adjustable Brightness: High/Mid/Low/Strobe/SOS Super Bright, Blinding Effect "O" ring sealed, Waterproof, Water resistant, Can be used in rainy weather (Don't put it into the water). The ON/OFF push button switch is provided in the end cap.