Features:
- 32pcs colorful LEDs that can flash 32 different patterns， effectively warn others
- Without button design and it only works in moving， save power and environmental friendly
- Patterns or words are clear and completely when it speed up to 20km / hour
- Flexible design for fitting any sizes of bicycle wheel
- Water resistant design， show your cool personality in any weather
- Fast and easy installation， no tools required
- Powered by 3 x AAA batteries ( not included )
- Transparent PC shell and streamlined structure， effectively wind-resistant and water resistant
- Ideal for any MTB， bike， road bike， folding bike， fixed gear， etc. Mounting Placement: Wheel Spokes
Power Supply: Battery 0.080 Package weight: 0.112 kg
Product Size(L x W x H): 12.20 x 9.50 x 1.50 cm / 4.8 x 3.74 x 0.59 inches
Package Size(L x W x H): 17.00 x 10.00 x 2.20 cm / 6.69 x 3.94 x 0.87 inches Package Contents: 1 x Wheel Signal Spoke Light