Features1Enclosure with aluminum alloy, CNC machining, anodizing surface treatment 2High LED quality assuring you of a bright, longlasting ride 3Must be connected to an external power supply and it can be used normally 4Fits great on handlebars with easy rubber mounts 5Suitable for cycling, climbing, fishing, hunting, camping and other outdoor activitiesSpecificationDescription:Our bicycle headlight is enclosure with aluminum alloy, CNC machining, anodizing surface treatment. It can be used headlamp or bicycle light.Fits great on handlebars with easy rubber mounts.Specially designed with USB power port (5V), to be used with power bank (not included) so that you can totally get rid of the cumbersome battery carrying. Hope you enjoy your riding.Features:1.Enclosure with aluminum alloy, CNC machining, anodizing surface treatment.2.High LED quality assuring you of a bright, long-lasting ride.3. It must be connected to an external power supply and it can be used normally.4.Fits great on handlebars with easy rubber mounts.5. Suitable for cycling, climbing, fishing, hunting, camping and other outdoor activities.Specifications:Case Material: Aluminium AlloyWeight: approx. 106gWire Length: approx. 116.5cm / 45.8"Lamp Cap Length: approx. 5.2cm / 2"Lamp Cap Width: approx. 4cm / 1.5"Rubber Ring Length: approx. 7.5cm / 2.9" , 5.8cm / 2.2"Rubber Ring Width: approx. 2.1cm / 0.8"Brightness: 1200LM3 Switch Mode: Strong Brightness / Normal Brightness / FlashingPower Source: This lamp don't need to install any battery, just use the USB cable to connect the power bank to useQuantity: 1pc Bicycle Headlight, 2pcs Rubber RingPackage Included:1 x Bicycle Headlight2 x Rubber RingsNote:1. This product should work with a power bank.2.Please allow 1-3cm error due to manual measurement. Thanks for your understanding.3.Monitors are not calibrated same, item color displayed in photos may be showing slightlyPackage List