Autel MX-Sensor 315MHZ Universal Programmable TPMS Sensor Specially Built for Tire Pressure Sensor Replacement (4 pieces) Built to perform like OE sensor, in terms of signal, durability and functionality Fast and simple assembly onto any wheels Automotive battery grade to meet severe weather conditions High-precision air valve to prevent air leakage Replaceable aluminum valve stem is anodized for corrosion resistance