❤Kindly Attention: This product has LCD color screen and black and white screen two styles, please buy as needed, thank you. ★Description: Name: Wireless Solar External Tire Pressure Monitor Color: black, pink, Tiffany blue Material: ABS+PC Display mode: LCD color screen/black and white screen(Optional) Charging form: USB + solar charging Charging voltage: 5V Solar charging board size: 67*43mm Sensor: External sensor Signal transmission and reception method: ASK Pressure measurement range: 0-5.0Bar Temperature measurement range: -30 ° C ~ 85 ° C Battery type: lithium battery Waterproof rating: IP67 Applicable models: General Product function: tire pressure monitoring Display function: display the pressure value and temperature value of four tires; electricity; solar energy; pressure unit; temperature unit Parameters that can be changed by setting: temperature unit (Celsius/Fahrenheit), tire pressure unit (PSI/BAR), high/low temperature alarm value, high pressure/low pressure alarm value Factory setting: high pressure 3.2Bar; low pressure 1.8bar; temperature 70 degrees Celsius Product size: 9.7*5*3.7cm ★Features: *Using German Infineon program, high precision, low power consumption, stable performance *Large-capacity battery, long standby, external up to 1 to 3 years *Charger, solar dual-loop power supply *Convenient and quick installation, do it yourself, you can complete the installation pairing *Can be pasted on the windshield or placed on the instrument panel, three colors, richer choice ★Packing list: 1 * Mainframe 4 * external sensor 4 * nut 1 * wrench 1 * anti-slip mat 1 * manual