About the Product 1.Package included: 4 packs LED Valve Bike Lights: 8 x Red. 2.More energy-efficient with light & motion sensors 3.Auto shining, No switch, 100% waterproof, fits for Presta & Schrader valve. 4.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. 5.Batteries: Requires 3 x AG10 button batteries per light (included)

• Package included: 8 pcs LED Valve Bike Lights: 8 x Red.
• 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)
• Bicycle Motorcycle Wheel Light Tire

Package included: 8 pcs LED Valve Bike Lights: 8 x Red.Beisite