Car Voltmeter, 3 in 1 12V/24V Car USB Charger Thermometer Display, Voltage Temperature Meter with LCD Digital Display Panel, Voltage Tester Gauge for Cars and Trucks

USB PORT – The car voltmeter is designed with a USB charging port that can be used to charge smartphones, GPS navigators, tablets, etc.
MEASURING TEMPERATURE – The measurable temperature range of this car voltmeter is -10-80 ° C. In order to measure the temperature accurately, the temperature sensor is external, soft and flexible and easy to hide. Keep the sensor away from hot vehicle parts.
VOLTAGE MEASUREMENT – The car voltage meter can be used for 12 V cars and SUVs, as well as for 24 V trucks and buses. Reliably reflects the car battery voltage. If the voltage is below 12.5V, please stop using electrical appliances to avoid difficulty starting the vehicle.
CHARGING POWER – 5V 2A is suitable for the charging power of most cell phones and the charging speed is the same as or better than conventional charging heads.
LCD DISPLAY – The LCD screen shows the voltage and temperature in the vehicle in real time to avoid excessive power consumption and ensure the safety of the vehicle.