USB Rechargeable Bike Bicycle Cycling 4 Modes 5 LED Front Rear Tail Light Lamp<br>Specifications: 1. Mode:4 modes<br>2. Brightness:15 lumens<br>3. Item Color:White,<br>4. LED Light: White<br>5. Package Weight:50g<br>6. Product Dimension:7*2*1.7cm<br>7. Mounting Placement:bicycle seat post<br>8. Bulb Type:LEDs<br>9. Suitable Tube Diameter:12-32mm<br>10.Water resistant<br>Features:<br>USB rechargeable bicycle taillight and auto cut off when fully charged.<br>High quality internal lithium battery,only need about 2 hours to be fully charged while be used for about 12 hours.<br>Long Steady Bright----4 Hours<br>Slow Flash----10 Hours<br>Super Flash----6 Hours<br>Strobe Flash----8 Hours<br>4 modes:Long Bright,slow flash,explosion flash and strobe.<br>Super waterproof,make you riding freely regardless of rain.<br>High brightness and energy saving LED.<br>Package include: 1x Bicycle Tail light<br>1x USB cable<br>Note:<br>1.Please allow 1-3mm differs due to manual measurement. 2.Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.<br>3.As the tail light is new,maybe have some low battery case. Please charging before using.If this makes some trouble for you,we really feel sorry.<br>4.Please long press to on/off.<br>