1) Car battery voltage display
2) With high brightness of LED there is no difficulty in seeing the display
3) Powered by car cigarette lighter charger (DC 12 / 24 V)
4) Installation: insert the jack of the product into a cigar socket
5) Electric current: 100mA or less
6) Voltage available: DC12/ 24 V
7) Product size: 6cm x 3.3cm x 3.3cm