Motor Vehicle Sensors C igarette Lighter Digital TPMS Car Tire Pressure TPMS include fast leak alarm, slow leak alarm, high pressure alarm, high temperature alarm, sensor fault alarm and sensor battery low power alarm, keeping your driving safe. C igarette Lighter Digital TPMS Car Tire Pressure -Real time monitoring tire pressure and temperature -Tire leaking warning and temperature balance -The display can be directly plugged into cigarette lighter -Beeping alarm and display the alarm value -Can support four tires, tire position can swap -Visual and audible warning for abnormal pressure and temperature Two units (PSI / Bar) changeable, you can set the one you like. Suitable for manydifferent kinds of cars Suitable for Cars, ORV, SUV, MPV, Minibus, Wagon, etc. USB Out charging 5V 2.1A 10W fast phone charge Specification : Type:wireless; Work frequence:433.92MHZ; Working temperature: -40~99; Store temperature: -40~99; Work voltage:2.0-3.6v; Work current:30mA;USB current:2.1A; Pressure range:0bar-3.5bar(50.75psi);Tire pressure tolerance: 0.1bar/1Psi. Have a great time shopping!