8 Working Modes: With dual switch,Right botton( 3T6, 2 XPE , 3T6+2 XPE, 3 T6+2 XPE strobe).Left botton(2 COB power , 2 COB , 2 COB red power, 2 COB red strobe).Rechargeable & waterproof: With 2*18650 rechargeable batteries and a USB cable.The headlight and the battery storehouse all waterproof, It's a good addition to your long trip,more safe and reliable.90 Degree Rotatable: The head-mounted headlight is adjustable,can fit for any head shape or helmet, It's light weight and comfortable, perfect for night running,make your hands free,and it widely suitable for walking,camping,reading,fishing.High quality Al alloy & optical lens: Made of high quality aluminum alloy and optical lens - Light transmission is up to 98% - restore the true color for you. 3 hours charging time for more than 6-8 hours use. It is also waterproof, scratch-resistant,corrosion resistance and sufficient stability.Product Guarantee: All the headlight have a rigorous quality test before packaging. We offer 30 days money back and 12 month guarantee,if you are not satisfied with our product for any reason,we will give your money back or send a replacement.