SERFAS USL PLUS Bicycle LED USB 350 Black Headlight, Type-C Rechargeable, Lumens,

Just one of these on the riverbank at night. Durable aluminum body with excellent heat dissipation. Includes a handle bracket (rotating mechanism/compatible with 22-35mm). USB-C type rechargeable: 1400mAh Li-ion Duration: Overdrive 350 lumens 65 minutes, High 250 lumens 2 hours, Medium 100 lumens 4 hours 15 minutes, Low 50 lumens 8 hours, Low flash 50 lumens 14 hours, Daytime flash 350 lumens 45 hours Weight: 127g including bracket Dimensions: 88.5mm L x 31mm W x 22.5mm H Maximum brightness of 350 lumens. IPX6 level waterproof. Durable aluminum body with excellent heat dissipation. Charging cable: USB-C. Fully charged in 2 hours (at 1A). Handle mounting bracket included (with rotation mechanism/compatible with diameters of 22 to 35 mm). ：1-Cell Li-Ion, 1400 mAh Product contents: Light body, bracket, USB charging cable, instruction manual.