... link is composed of three parts. Monitor the use of LED display showing the vehicle tire pressure monitoring system, study, alarm status ... replacement tyres, tire transposition. Alarm status explanation: 1, The course of driving, buzzer sounded, red light corresponding flat tire , please ... input, ac impedance≥20KΩD.C. impedance≥2MΩSystem study distance Flat road condition: 1KM(Speed)≥15KM/h)Recommend ...