Shining House - Multifunction Digital Car Auto Voltage Alarm Clock with Indoor/Outdoor Temperature Thermometer lcd Display Battery Voltage Monitor

Car Voltmeter + Thermometer 2 in 1, Compact and Portable Accurate voltmeter, accurately monitors and instantly displays car battery voltage data on the LCD screen Thermometer function, equipped with a 2-meter wired temperature sensor, measures indoor and outdoor temperature with a high accuracy of ±1.0℃. Meanwhile, this unit can freely switch the display of centigrade and Fahrenheit Digital LCD screen with highlight that displays hours, minutes, indoor temperature, outdoor temperature and voltage simultaneously on the same screen, and provides 12-hour or 24-hour time display system conversion Two LED backlight modes: If this unit is powered by the cigarette lighter, the backlight will turn on and all the contents (including time, temperature and voltage) will be displayed on the LCD screen. If it is supplied by the backup battery, there is no backlight, and the LCD will display the time and temperature Note: The data are all measured manually, please allow 1-3cm error Due to