Features1Wrapped with highly elastic waterproof silicone, resistant to cold and heat, stable, durable, and strong in extension and tension. Light weight, easy to carry. Use ordinary 150mAh AG10 button battery, easy to replace. 2Imported LED, bright and energysaving, which greatly increases the safety of night riding. 3 lighting modes: fast flashing, slow flashing, normally on, and off, which can be quickly switched according to your actual needs. 3The switch is designed on the nose, which is convenient to press. Doublehanging buckle design, free choice of installation location, can be fixed on handlebars, seatposts, front forks, helmets, backpacks, wheel hubs, etc. Quickrelease design, no tools are required for installation or removal. 4Multipurpose, fixed in front of the helmet, can be used as a warning headlight and for browsing the map; fixed behind the helmet, can be used as a warning taillight. 5Water-resistant and rain-proof design, it can be used normally in rainy days; it is suitable for emergency lighting, outdoor play at night, mountaineering lighting, bicycle lighting, etc.SpecificationItem Type: Bicycle Light Material: Plastic + SiliconeSize: Approx. 4.5 x 2.5cm/1.8 x 1inBattery: 2 x AG10 button batteries 150mAh (included)Light: Colorful Light3 Lighting Modes: Fast flashing, slow flashing, normally onFeatures: Three flashing modes, 2 LED lights, double hanging buckle design, middle switch designPackage List2 x Bicycle Light