Specifications: Brand XANESModel SFL16 Color Black Material PVCLumens 650LMLamp T6 Power Supply Built-in 1200m Ah 3.7 V Polymer Lithium Battery Charging Time 5h Battery Life 7h Weight 90g Waterproof Yes Size 80*56mm
Features:1. Built-in USB (Universal Serial Bus) rechargeable 1200m Ah 3.7 Vpolymer lithium battery.2. Daily waterproof.3. HIgh-quality T6 lamp bead.4. Intelligent sensor, auto adjust the brightness according to the surrounding light intensity.5. Indicator function. Package Included:1 Bike Headlight 1 Charging Cable