Description: Multi-function car LCD digital display With car charger, and can real-time monitor temperature and car voltage To ensure the safety of your car Easy to install,no needed the professional skill A special car thermometer with stylish and lightweight design Provide extremely convenience Theory:Temperature Sensor Display Type:Digital Power Type:Charger Material: ABS and Electronic Components Display Size:1.9 Inches and Under Style:Standing Station Color: Black LCD indicator color: blueandred, greenandred, red Size: approx. 8 x 4.3cm Voltage: 12/24V USB output: 5V 2.1A Temperature Display Voltage Display Specifications: Multi-function car LCD digital display With car charger, and can real-time monitor temperature and car voltage To ensure the safety of your car USB output: 5V 2.1A Temperature Display Voltage Display Package Included: 1 x Car charger Voltmeter Thermometer 1 x Charger