Bicycle Highlight USB Rechargeable Lamp Waterproof Bicycle Headlight Taillight Set 1. Name: Bicycle headlight 2. Color: Black shell 3. Light source: CREE XPE 3W LED (300 lumens) 4. Material: PC lampshade + ABS lamp housing; 5. Function: Highlight-low-blink-off; 6. Battery: Built-in rechargeable lithium-ion polymer battery (800mAH, 3.7V) 7. Weight: Net weight: about 40g, gross weight: about 70g 8. Size: Length 65 × width 28 × height 23mm; 9. Application: Handlebar diameter: 20-40mm 10. Features: This product is novel in shape, small and exquisite, and has super practicality, which shows the fashion trend and technological atmosphere. 11. Use high-power high-brightness CREE 3W LED (320 lumens) as the light source, coupled with transparent front + side frosted acrylic lampshade to enhance light, and the brightness is more than 5 times brighter than ordinary LED lights; 12. V-shaped galvanized reflector is used to form a diffused spot, with a wide range of light exposure, 30-50 meters at night, and a wide passive viewing angle of 220 °, which fully guarantees your riding safety; due to the openings on both sides of the reflector , The light can leak from the side, illuminating the entire crystal head, it is beautiful and eye-catching; 13. Super waterproof, the keys are covered with expanded rubber, and the USB charging interface is sealed with a silicone dust cover, making it safe to ride on rainy days; 14. USB interface charging, using lithium-ion polymer battery (800mAH, 3.7V), can be reciprocated charging and discharging, fast charging speed, long discharge time, generally charging 3-4 hours, discharge time: 3h highlight, 5h low, Flashing 12h. 15. Quick release design, the whole installation process is operated by hand, without tools, wrist-type silicone belt buckle design, adjustable length, suitable for various thickness handlebars (about 1-4CM) 16. Professional 360 ° rotatable base design, the irradiation direction can be adjusted at will, which greatly increases the irradiation range of the lamp