2 PACKS BICYCLE WATERPROOF5 LED BIKE RIM LIGHTS FOR MTB WHEEL TIRE VALVE SPOKE SPECIFICATIONS Product: Valve Cap Light Material: Plastic + LED lights Led Light: 5 Led Flash Light Usage: Car, Motorcycle, Bicycle Mode: 32 Modes Weight: approx. 41g Battery: AG10 Powered by 3 AG10 batteries for each one (Included) Each Size: about 2.95*0.55 inch/7.5*1.4cm Attention: The connector fit for UK / USA (not compatible with the FR) FEATURES (1)5 LED light flashing32 Changes are available. It will look awesome on your bike by amazing flash. (2) Decorative light. Install on bicycle valve stem. Also suitable for bike, motorcycle. (3) Easy to install, just simply screw on your valve stem, only three seconds, you will have a surprise. (4) Protecting the air faucet from blocking and waterproof, give your car carefully protection. (5) Automatic flash: it wont shine at the light enough places , at dark night under the intense vibration .It will lights automatically when riding PACKAGE 2 x 5-LED Wheel Light (Batteries included)