Professional mechanic are recommended for installation. This can avoid many problems that can often be found with an inexperienced installer of aftermarket products. All Sales are final, NO return unless it's defect. All defect item must be reported and return within 30 days after receiving the product. All emails are to be answered within 24 hours except Sat and Sun.The item "Universal Car Wireless Tire Pressure Monitor System TPMS 4 Sensors LCD Display" is in sale since Monday, March 11, 2019. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Exterior\Mouldings & Trim". The seller is "advancetuning" and is located in La Puente, California. This item can be shipped to United States.