Hold the key mode button for 3 seconds to turn off the light directly, no need to cycle through all modes. It also features a motion sensor mode, allowing you to easily turn the lights ON/OFF by waving your hand. With a maximum brightness of 1100 lumens and a powerful 1000mAh built-in rechargeable battery, you can charge and use the light simultaneously. The headlamp can be rotated 60 degrees and is tightly fixed to avoid shaking and sliding when running. It uses a comfortable elastic headband that can easily adjust to fit your head size perfectly. With an IPX4 waterproof rating, it offers 8 lighting modes: main strong beam, main weak beam, side strong beam, side weak beam, red beam, SOS red strobe. In motion sensor mode, you can switch between the main strong beam and side strong beam.