-USB charging-IPX2 waterproof-Shell Material: Waterproof ABS-Charging time: about 2 hours-Working Time: 3-6 hours according to different using mode-Easy to install, suitable for many sizes of handlebars or seatpost-5 lighting modes style: Strong light, Weak Light, Flashing, warning lights, 100% lighting(as working video showing)-4lighting modes style:Strong light, Weak Light, Flashing, warning lights(as working video showing)Weight: 56G, SingleItem Size: 7*7*6.5How to use it?Open: click 1 time (0.5second)Close: 5 lighting modes style need pre 3 seconds. 4lighting modes style just need pre 1 second. FEATURES ENHANCED VISIBILITY- Illuminate your path with 40 lumens of radiant light, ensuring you're visible from a distance. SAFETY FIRST- Crafted with precision for unparalleled performance, this tail light is your perfect safety companion on all cycling adventures. ELEGANT DESIGN- Beyond functionality, the LED Bike Tail Light adds a touch of elegance to your bike, making your ride both safe and stylish. DAY & NIGHT ASSURANCE- Ride with aurance at any time with this tail light that guarantees visibility around the clock. EASY INSTALLATION- Practicality is key, and this tail light is designed for hale-free installation on any bike. Stay visible, stay safe, and ride with flair! SPECIFICATIONS Lumen Output: 40 lumen Craftsmanship: Precision-designed for optimal performance Versatility: Suitable for all types of cycling adventure NOTE For optimal performance and longevity, ensure proper installation and avoid exposure to extreme weather conditions. Illuminate your rides with confidence using the LED Bike Tail Light!