SYTTPMS!

TPMSTX500/TN500iphoneAPP4, 1OBD 2 3APPBarPsiKpakgf/cm2 , 4APP DIY TPMS for iphone(TX500) & TPMS for iphone(TN500) from ShenYongtong,are an Tire Pressure Monitoring System(TPMS) to work with IOS APP in a vehicle for realtime monitoring individual tire pressure and temperature once Bluetooth from iphone/ipad connected as monitor to ensure on-road safety. Features 1Power Supply through the vehicle diagnostic system(OBD),Wireless transmission. 4Free exchange tire position sensor and manual learning.