Show Your Style! The M210 Monkey Light Is A Rugged, Practical, High Performance Bicycle Light That Keeps You Visible In All Weather Conditions The M210 Straps To Your Spokes And Displays Brilliant Patterns On Your Spinning Bike Wheel Show Your Style With Cutting Edge Themes Designed By Our Electronic Artists Features: Great Visibility At All Speeds Patterns Visible At 15+ Km/h (10+ Mph) Waterproof For Use In All Weather For Bikes And Electric Bikes Fits 20″ And Larger Bicycle Wheels (20, 24, 26, 27, 28, 29, 700c) 10 Full Color, Ultra-bright Leds Durable Solid Rubber Construction Stainless Steel Anti-theft Strap Hub Mounted Battery Keeps Wheel Balanced Wide Angle Visibility 20 Themes Included With Hundreds Of Color Combinations Straps To Spokes With Vibration Proof 3-point Mount Up To 40 Hours Runtime 3 Aa Battery Holder Works With All Standard And Rechargeables Specifications Made In California Usa Maximum Speed: 65 Km/h (40 Mph) Light Size: 135 X 54 X 10mm Light Weight: 40g Battery Holder Size: 85 X 50 X 38mm Battery Holder Weight: 68g Without Batteries Led: 10 Full Color, Ultra Bright Led Certifications: Ce Mark, Lead Free, Eu Rohs Compliant Construction: Fiber Composite With Solid Rubber Coating. Abs Battery Holder. Waterproof: Ip67 What’s Included: Monkeylectric M210 Monkey Light Bike Wheel Light Monkeylectric Hub Mounted Battery Holder 1 X Stainless Steel Antitheft Straps 6 X Cable Ties For Mounting 3 X Rubber Spacers