3 in 1 Digital LED Auto USB Charger

Features:          1. Multi-function car LCD digital display         2. With car charger, and can real-time monitor temperature and car voltage         3. To ensure the safety of your car         4. Easy to install,no needed the professional skill         5. A special car thermometer with stylish and lightweight design         6. Provide extremely convenience Specifications:           Color: Black          LCD indicator color: blue+red, green+red, red          Material: ABS + Electronic Components          Size: approx. 8*4.3cm          Voltage: 12/24V          USB output: 5V 2.1A          Display: Digital display          Display Type:           Temperature Display          Voltage Display