Comunite 5000 Lumen CREE XM-L T6 Outdoor LED Headlight Headlamp Portable Head Lamp Light Night for Camping, Running,Reading,Bicycle,Hunting,Fishing-2 Batteries Included XM-L2 T6 LED light, 5000 lumen, powered by 2 pieces of 18650 rechargable batteries, not included. 4 working mode: high/ middle/ low/ flashing.Only have one button switch, easy to use. Internal wiring applies the high efficient booster circuit, working voltage is wide and can utilize the batteries in the largest extent Adjustable base is provided for each head lamp, with back and forth inclination. Waterproof design,great for someone who likes hiking, fishing, camping, running.