ITEM NAME:Low Tire Alarm Car Tire Pressure Monitoring System Auto Wheel Air Pressure C7E4 Low Tire Alarm Car Tire Pressure Monitoring System Auto Wheel Air Pressure C7E4 High and low pressure, leak alarm;LCD display screen, Simple user interface;The internal sensor has a longer service life. High accuracy, Using Freescale imported chips;Real-time monitoring tire pressure and temperature;Smart start: parking automatically sleep, the car starts automatically wake up. Solve the sensor does not work:Match sensor(Vent) Long press /'/'menu key/'/' 3 seconds to /'/'U/S/'/',then short press /'/'menu key/'/' several times to enter/'/'LID/'/' interface,it shows ID of four tires and car icon.Short press /'/'left/right select key/'/' to learn ID opertion.Select tire you plan to learn ID of sensor by press/'/'menu key/'/',default setting is /'/'FL/'/'>/'/'FR/'/'>/'/'RR/'/'>/'/'RL. When tire is selected,display new /'/'ID/'/' in receiver after active sensor//'s ID(internal sensor active by charging/vent tier).Do the same operation to match other three sensor.When all sensor are matched,short press /'/'menu key/'/' to save and go to /'/'Ex/'/'. Item Type:Alarm Systems and Security Voltage:5V Special Features:solar charging /USB charging Sensor battery:CR1632 Use for:Tire pressure gauge Function 1:Car Tire Pressure Monitoring System Function 2:Sensor no signal alarm Function 3:Low tire pressure alarm Function 4:High tire pressure alarm Function 5:Low current alarm Function 6:Tire air leak alarm Function 7:High temperature alarm For:For BMW,Audi,.all cars auto 1.Monitoring system body Operating voltage:3.7-5V Storage temperature:-30 Celsius-90 Celsius working temperature:-30-Celsius85 Celsius RF Emission frequency:433.92MH ±50KHz RF Signal sensitivity:-90dbm Display mode:LCD Color Bright screen current:Less than equal 6mA Black screen current:Less than equal 4mA Size:85*95MM 2.External Sensor Battery life:24months Operating voltage:2.1-3.6V Temperature resolution: ±2 Celsius（25 Cels
