12V Car TPMS Tyre Pressure Monitoring System with Ambient Lights OBD Auto Security Alarm External Sensor

Description 1 Tire pressure and tire temperature are displayed at the same time2 Alarm for abnormal tire pressure and temperature Alarm when tire pressure is higher than 3 0 bar default value Alarm when tire pressure is lower than 1 8 bar default value Alarm when tire temperature is higher than 70℃ default value The default value can be adjusted according to actual needs3 Two color ambient light design the blue light is on when the tire pressure is normal and the red light is on when the tire pressure is abnormal4 Multiple power supply methods The receiver supports USB 5V power supply car fuse box ACC 12V power supply car OBD 12V power supply 5 The car battery voltage detection can effectively prevent the car battery from igniting and starting the vehicle when the voltage is low6 The temperature inside the car is monitored and the temperature inside the car is clear at a glance 7 The digital clock display effectively reduces the driver s head down looking at the watch or mobile phone Specification Receiving frequency 433 92MHzPower supply mode USB power supply ACC power supply OBD Working voltage DC 5V 12V inputPressure unit bar psiTemperature unit ℃ ℉Working temperature 20 85℃Storage temperature 40 125℃External sensor Transmitting frequency 433 92MHzPressure range 0 8 bar 0 116 psiDefault low pressure alarm value 1 8 barDefault high pressure alarm value 3 0 barPressure accuracy 0 1 bar 1 5 psiWorking voltage DC 2 0 3 6VWaterp