INNOLIFE Tech Led Flash Tyre Wheel Valve Cap Light For Car Bike Bicycle Motorbicycle Wheel Light Tire Light (6 Packs 3 colors) 6 LED waterproof & shockproof Durable, High Impact, Rust Resistant One light can automatic change to different color Enhances safety by increasing visibility at night and during bad weather conditions Requires 3 x AG10 batteries (pre-installed)