The Pulse Generator Thunder UP (Battery Deterioration Prevention Device) is an easy-to-install tuning part. It restores the battery's power storage capacity and improves the electrical system. Pulse waves remove sulfation, revitalizing the battery. Power supply becomes smoother, allowing spark plugs and electrical components to perform at their best. ★ Torque Up ★ Improved Starting ★ Improved Response ★ Reduced burden on electrical components ★ Headlight illumination improvement ★ Extended battery life 【Compatible Vehicles】DC12V Japanese cars (Gasoline/Diesel) 【Incompatible Vehicles】DC24V vehicles, motorcycles, foreign cars Material/Material: Aluminum alloy Accessories: Set contents: Product body, double-sided tape, cable ties x 2, instruction manual