SCNTCN-Bike Light USB Rechargeable Bicycle Headlight Rear Light Waterproof Bike Front Light Cycling Taillight Cycling Bike Accessories Novelty, high light band, highlighting the flavor of fashion and technology. Super waterproof, rubber covered button expansion. Multifunctional design to meet the functional requirements of riding. Super energy-saving, USB interface to charge, you can charge and discharge back and forth. Silicone strap design,suitable for various thickness of the seat tube 1.5-3.2CM,fine front fork all can use. This product is the latest band of light type taillights, LED lights than the average 10 times more than,small size, suitable for high-end enthusiasts riding friends or use. This new product modeling, using the latest high-power light band of light source, highlight fashion trends and technology flavor. Using a high-power light segment 8.8CM long lighted (with 26 SMD light highlighting composition), matched crystal grade transparent acrylic shade, light irradiation distance, 2000 meters at night, during the day and still visible, while Quanta degree viewing angle 250, fully protect your ride safe, can be used as lighting use. Super waterproof, key switch and USB charging interface with expanded rubber cover,rain ride secure. Versatile design to meet the functional requirements of riding. Super energy-saving, jump flash of 5h above,low light 20Lumen of 6h, in light 50Lumen of 2.5h, highlighting 100Lumen of 1.5h. USB interface to charge (you can use the home charger, computer or mobile power USB interface charge), using the world's most popular lithium-ion polymer battery (3.7V, 500MAH),reciprocally charging and discharging, charging speed, discharge time is long, usually charging 2-4 hours,discharge time is about 1.5-6 hours. Orange comes with power indicator light, when charging at a glance. When discharging,the orange indicator light - Indicates fully charged, you can continue to use; orange light and dark respiration blinking - indicates lack of electricity, the need for timely charge. When charging, the orange indicator light flashes and dark respiration is charging; the orange indicator light - charging is completed. 6 flash modes: low--medium- -high--50% flashing--full flashing--strobe. Specifications Material: plastic Color: red/white Power supply: built-in battery Waterproof level: daily life waterproof Size: 10 x 3 x 1.8 cm (L x W x H) Weight: 81g Rubber band diameter: 12-32mm Application: seat tube diameter: 15-31.8mm Specifications: Various flash modes