LED Bicycle Front Light USB Charge Cycling Warning Light Smart Temperature Regulated Lamp IPX6 WaterproofSpecifications:  Color: BlackMaterial: Aluminum alloySize: 28*28*32mmMode: Low-middle-high-strobeLamp beads: XML-T6Waterproof: IPX6Net weight: About 50gLED light Color: WhiteFeatures:1.IPX6 Waterproof.2.Smart Temperature Regulated design.3.USB interface design、convenient to charge.4.Built-in overcharge、 over-discharge protection circuit、 charging more reliable.5.Battery state detection function.6.With low power tips and smart downshift function.7.Excellent metal thermal design and structure.8.3 brightness modes design、 make your riding more safety.9.Quick release bicycle clip、easy to install and off anywhere.10.Recommended use for night road race、 sport riding、 urban commuting etc.Package includes:1 x light1 x fixed ring