Description:Product name:Valve lampSuitable model: general typeInstallation location: vehicle valveSwitch:light/vibration inductionMaterial: light alloyA lamp Power supply: 3*AG10 button batteries(include) Features:1. Super cool and delicate wind turbine is composed of dynamic induction circuit and luminous circuit. LED lights long light, independent circuit design, no modification or connection to the car itself circuit2. It is easy to install without changing or connecting the circuit of the car body. Just screw on the valve mouth of the car wheel3. It has water-proof and power-saving functions, such as water-proof and dark moving luminescence, and is composed of dynamic induction circuit and light-emitting circuit. LED lights glow long4.When the light gets dark or the car vibrates, the lights go onNote:1.It's going to light up when you first put it on, and then it's not going to light up2. in dim light or being vibrated it will light up , and it will light up for 15-20 seconds each time Package include: 2 pcs Valve lamp(include 6*button battery)