The upgraded high-quality battery supports 3 hours of fast charging, which can provide 7-8 hours of use. With its advanced T6*4 + XPE*4 + SMD*8 LED bulb design, the battery lasts three times longer per full charge than ordinary headlights on the market and is brighter. 8 Lighting Modes + 2 Safety Tail Light Modes - This powerful headlight has 8 + 2 lighting modes, so you can adjust the lighting mode according to your needs. Press the front switch to set 8 working modes in sequence. Long press the switch for 3 seconds to turn off the light in any mode. 90° Adjustable & Waterproof: The rechargeable LED headlight can help you see everything in front of you clearly by rotating your head 90° to avoid road cracks and obstacles. IPX4 waterproof grade, the powerful rechargeable headlight can be used safely even when it rains. COMFORTABLE AND HANDS-FREE - The super adjustable system strap will provide maximum comfort and perfect balance in front and behind your head. Never be in the dark again