Suofule 8 Pcs bicycle lights Led Flash Tyre Wheel Valve Cap Light For Car Bike Bicycle Motorcycle Wheel Light Tire (Red, Yellow, Green, Colorful) Not "Suofule" store sells LED lights are all fake! Package included: 8 pcs LED Valve Bike Lights: 2 x Red, 2 x Yellow, 2 x Green, 2 x Colorful Auto shining, No switch, 100% waterproof, fits for Presta & Schrader valve Please kindly note there is a piece of paper in the battery case that needs to be removed. Sometimes it still not work when removed the paper, then you need to put them on the valve stem, ride, and they will light up Batteries: Requires 3 x AG10 button batteries per light (included)