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LED Bicycle Headlight Front Lamp USB Rechargeable MTB Mountain Bike Taillight Rear Lamp Cycling Equipment Features: Taillight: 1. High-brightness LED light, using rechargeable lithium polymer battery, automatically cut off the system when fully charged. 2. Sleek and stylish design, sealed and waterproof. 3. Ultra-wide-angle irradiation range provides more safety protection. 4. Elastic straps for firmness. 5. Mounted on bicycles of various diameters. Specifications: Material: ABS plastic Color: Black + Red Size: (front light) 65mm*30mm*25mm/2.56*1.18*0.98", (tail light) 75mm*25mm*20mm/2.95*0.98*0.79" Net weight: 97g Gross weight: 97g Headlight: Lamp beads: LED lamp beads Brightness: Weak, medium, strong Waterproof: Life Waterproof Mode: Full light, half light, flashing Life time: 3 hours full light, 5 hours half light, 12 hours flash 800mAh built-in lithium battery guarantees long-term cycling power supply. Taillight: Lamp holder: Super bright LED lamp holder Mode: constant light, slow cycle, flash, fast cycle Applicable tube diameter: suitable for sitting tube within 4cm/1.57" Use time: charging time is 2 hours, using time is up to 6 hours Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3cm measuring deviation due to manual measurement. Included: 1 X LED Front Light 1 X LED Taillight 2 X USB Charging Cables