Single Color Wheel Light, Easy to set More energy-efficient,with light & motion sensors Durable, High Impact, Rust Resistant,Auto shining No switch, 100% waterproof Include:2*Green LED Flash light Pls Note: don"t use in freeway! This LED Bike Wheel Light fits most bicycles, motorcycles and cars. LED Bike Wheel Light features motion sensors, LEDs and replaceable batteries. LED lights will turn on when the vehicle is moving and off when the vehicle comes to a stop. Screws onto the valve stem of your car, bicycle or motorcycle in seconds. Enhances safety by increasing visibility at night and during bad weather conditions. Easy to install and remove. Cap Color: Silver. Light Color: Neon Green. Batteries: 6 x AG10 batteries, 3 batteries per light (batteries not included). Package Includes: 2 x LED Bike Wheel Lights; 2 x Valve Covers.