Features:1. Multi-function car LCD digital display2. With car charger, and can real-time monitor temperature and car voltage3. To ensure the safety of your car4. Easy to install,no needed the professional skill5. A special car thermometer with stylish and lightweight design6. Provide extremely convenienceDescription:LED Dual Digital Thermometer VoltmeterDigital thermometer suitable for 12V/24V battery measuring range: -9~80℃Simply plug into charger socket, instant confirmation of battery voltage, low power consumption high light display.Specifications:Material: ABS + Electronic ComponentsProduct Color: BlackProduct size: 76*47mmModel: VST-706Voltage: 12/24VUSB output: 5V 2.1ADisplay: Digital displayDisplay Type:Temperature DisplayVoltage DisplayPackage Included:1 * 3 in 1 Car charger Voltmeter Thermometer