Smart temperature control + low voltage protection. Automatically downshifts when the lamp bead temperature exceeds 70°C, and shuts off power and turns off when the temperature exceeds 100°C. 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