SERFAS Up to 25 Hours Bicycle Light Rechargeable, Waterproof, USL-450 (450 Lumens), for Road Bikes, Cross Bikes - SERFAS(サーファス), 029323

• Up to 450 lumens of brightness and IPX4 waterproof headlight The power button on the unit flashes and lights up depending on the charging status. (Flashing red) While charging, (blue light) charging is complete Durable aluminum body with high heat dissipation Includes new and improved plastic band mounting brackets Adopts high-quality IC board designed for Japan 3 levels of charge display Charging time: about 3 hours and 15 minutes (depending on the amperage of USB) Reference Weight: 5.6 oz (162 g) (including bracket) Product Contents: Light body, bracket, USB charging cable, Japanese instruction manual (English language not guaranteed) Lighting mode (estimated lighting time): Overdrive (2 hours 30 minutes), High (3 hours 30 minutes), Medium (7 hours), Low (14 hours 30 minutes), Low Flash (20 hours), Daytime Flash(25 hours) Mode switching: [Power on/off] press 1 second, [Light up to flash] 2 seconds, [Switch on light mode (Low, Mid, Hi, Over)] short press in lighting mode, [Flashing to day] short press during flashing mode