Specifications: 1. Mode:4 modes
2. Brightness:15 lumens
3. Item Color:White,Blue,Red
4. LED Light: White,red,bule
5. Package Weight:50g
6. Product Dimension:7.5*3*2cm
7. Mounting Placement:bicycle seat post
8. Bulb Type:LEDs
9. Suitable Tube Diameter:12-32mm

Note:
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. Please long press to on/off.
Package includes: 1x bicycle light 1x USB cable 1 x rubber strap Any problem, please feel free to contact us first and we will supply the best service.

• USB rechargeable bicycle taillight and auto cut off when fully charged. High quality internal lithium battery,only need about 2 hours to be fully charged while be used for about 12 hours.
• 3 color, Red , White , Blue
• 4 modes:Long Bright,slow flash,explosion flash and strobe.
• Super waterproof,make you riding freely regardless of rain.
• High brightness and energy saving LED.

USB rechargeable bicycle taillight and auto cut off when fully charged. High quality internal lithium battery,only need about 2 hours to be fully charged while be used for about 12 hours.Aukmont