Features: Super bright, blinding effect. Life waterproof and skid-proof design, high tech bright LED with extremely long working life. Output bright can come to 250 lumen. 3-mode brightness: high, low, and strobe. Equipped with a hang rope, very convenient to carry. Internal wiring applies the high efficient booster circuit. With CREE Q5 LED bulb and the long shape, which is necessary tools for night walking. Item color: Black Lumens: 250LM Light color: White Crust material: Aluminum alloy LED type: CREE Q5 LED Reflector: Convex Lens Switch location: Bottom (On, off and mode select) Power source: 3 * AAA or 1 * 18650 battery