Features: 1TPMS can monitor tire pressure / temperature status in real time, which will transmit real-time voice alarm and warning indicator light to remind the driver for driving safety. 22 external sensors with IP67 waterproof grade are suitable for being used on rainy days, and they are in high sensitivity and good accuracy for measuring pressure and temperature. 3Supports USB charging, it means that you could use the USB cable (not included) to charge it up while it is in low power, very convenient for you. 4TPMS is widely compatible with those motorcycles with 2 tires. You don't need to worry about the compatibility issue. 5The tire pressure monitoring system is designed to provide you with more protection when driving. It will warn the tire condition in advance. Package included: 1 x TPMS2 x Sensor1 x Manual&nbsp1 x Wrench2 x Nut1 x&nbspUSB Cable1 x Bracket