Features: 1Two ways to charge, USB cable or Solar energy. Built?in high temperature resistant explosion?proof lithium battery, fast charging, long lasting power. 2Real?time display of highly accurate tire data of 2 wheels at the same time to extend tire life, balance tire pressure and ensure the safety of motorcycles. 3Adopt for Freescale chip program, 6?in?1, makes the signal more stable and reliable, monitoring and updating data in time more accurate to ensure traffic safety. 4Each sensor has a separate ID code which can be directly used after installation, and the high standard to ensure dust?proof, waterproof and high temperature proof. 5PSI, BAR two kinds of pressure unit optional, and H two kinds of temperature unit optional. Quickly detect air leakage and alarm, prevent blowout, side wallbulging, vehicle deviation and tire wear. Package included: 1 x TPMS Host 2 x External Sensor 1 x Host Holder 1 x Wrench 2 x Nut 1 x USB Cable