Neewer® Mini 12V/24V LED Display Digital Car Volt Meter Vehicle Voltage Gauge
Greater than 12.0 (12V CAR) OR 24.0 (24V CAR)(for reference only)Measuring range :  DC 8V-30V%1.2Installation: insert the jack of the product into a cigar socketLED Display Cigarette Lighter Electric Voltage Meter For Auto Car BatteryCar battery voltage displayWith high brightness of LED(light-emitting diode) there is no difficulity in seeing the display.With high brightness of LED there is no difficulty in seeing the displayThis digital gauge displays the voltage of batteries in the car.Installment:Clean the cigar socket.Insert the jack of the product into a cigar socket.SpecificationsNet weight:22gPackage weight:33gPacking content1 x Electric Voltage Meter