Smart temperature control + low voltage protection. Automatically downshifts when the lamp bead temperature exceeds 70C, and shuts off power and turns off when the temperature exceeds 100C. When the battery level is below 10%, only two levels of adjustment, 220 lumens/100 lumens, are allowed. When the battery voltage is too low, it automatically cuts off power to protect the battery Equipped with a 3000mAh large-capacity lithium battery, enhancing endurance, stable and durable use. Type-C charging interface for faster charging speed and compatibility with more charging methods High-transparency acrylic lens, lightweight, strong impact resistance, clear and soft light, and even light distribution with internal reflective mirrors 90 wide-angle lighting to improve visibility during night rides IPX6 waterproof, capable of handling adverse weather conditions with ease Lifting installation, simple operation Specifications: Model: RHL 800 Material: aluminum alloy Weight: about 103g Lamp bead model: 3535 10W Charging time: about 3.5h Mode: 5 modes Range: 200m Waterproof level: IPX6 waterproof Function: IPX6 waterproof, intelligent temperature control, type-c charging Package included: 1 x Bicycle Front Headlight 1 x Bolt 1 x Cable