Set of 4 Brand New Tire Pressure Monitoring Sensor. ITM’s TPMS sensor offers a great deal of superior engineering & quality without compromise. Preprogrammed and ready to install. Most advanced German designed sensor/transmit chipset available in the market. 5-8 years average battery life (depends how much you drive). Built to perform like O. E sensor, in terms of signal interval, durability & functionality. Automotive battery grade to meet most severe weather conditions. Precision crafted air valve to prevent air pressure leakage. Anodized stem valve for corrosion resistance. 0-30 degree adjustable stem valve to fit all types of wheels. Fast & simple assembly onto any aluminium & steel wheels. SAE J2657 compliant and readable by other diagnostic tools. Compatible with all OEM and aftermarket wheels. TPMS relearn is required after installation so car can connect to new sensors. We are not responsible for any damages caused by improper fitment/installation. 2.8 x 2.8 x 1.3 inches. 5-8 Years (depends on miles driven).