Dealextreme:LED Display Cigarette Lighter Electric Voltage Meter for Auto Battery HD

LED Display Cigarette Lighter Electric Voltage Meter for Auto Battery Product link:http://dx.com/p/68179 http://dx.com/c/car-accessories-799/diagnostic-tools-equipment-713 - Model: WF-021 - Car battery voltage display - With high brightness of LED there is no difficulty in seeing the display - Powered by car cigarette lighter charger (DC 12~24 V) - Installation: insert the jack of the product into a cigar socket - Electric current: 100mA or less - Voltage available: DC12~24