TireMinder Bluetooth Adapter converts TireMinder's standard 433Mhz transmitter data into a Bluetooth signal which interfaces with your smartphone. It checks every 6 seconds for slow and rapid leaks, blowouts, low pressure, high pressure, and high temperature to ensure optimal performance. FEATURES: Auto-scroll, auto-search, 2-part disconnect, and other advanced TPMS functions Monitors up to 22 tires; 0-232 PSI and temperature readings Includes transmitters, TireMinder Bluetooth adapter, Rhino Signal Booster, extra batteries, O rings, bracket, anti-theft locking nuts, carrying case, free lithium battery exchange program, and unlimited live phone/email support TireMinder App Compatible 3 Year Warranty *Compatible with iPhone, iPad and android smart devices (requires IOS 7+ or android 4.3+ with Bluetooth 4.0+) *Phone not included

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov