Feature: 1. Waterproof, 14 Blue LED Lights. 2. Install on the front or back wheel. 3. Press Button to turn "ON", easy to use 4. Easy to install * Power: 3x 1.5v AAA Battery (battery not Include) * Install on the front or back wheel, * 40 Design Patterns and 5 Word Patterns,patterns change every 3 seconds. * When riding slowly, the LED will blink and will only show a pattern of lines * The LED lights will keep blinking for 2 minutes after the wheel has stopped

• Size:133mm x 52mm x 21mm
• Net weight: 55g
• Package weight: 105g
• Unit package size: 230 x 126 x 50mm
• Package Included: 1x LED bike spoke light , 1x sensor unit , 1x Enghish description

Size:133mm x 52mm x 21mmLeadchoice