Purple PIVOT MEGA RAIZIN Universal Car Fuel Saver Voltage Stabilizer RegulatorDescriptions: 100% brand new and high quality Voltage stabilizer with digit display. Increase torque at low and medium speeds. Stabilizes idling and improves engine starting. Improve engine response Increase lighthouse brightness Does it improve fuel economy? Improves battery life Low sound enhancement Digital voltage display With 3 ground wires Stabilizer Size: 90x90x25mm (Approx.) Purple color Note: The color of each batch of products will vary. Fit: Universal fit for all vehicles. Can be installed on all car and truck models Package includes: 1 * voltage stabilizer 5 * Earth Cables 5 * M6 crazy 5 * wedges 3 * M6 screws 2 * double-sided adhesive tapes 1 * ground terminal 5 * security lockwires 1 * installation instructions Installation Notes: The red wire is connected to the positive electrode of the battery, and the blue wire is connected to the negative electrode of the battery. Just find a fixed location. Ground wire, connect the negative screw (case screw) of high-power electrical appliances