Feature

●★We adopt 0.36in digital tube, suitable for 1~8 cylinder autos and motors 12V diesel engine.
●★Our products are with shells and shine brighter.
●★Display battery voltage before and after engine start
●★When 12V car battery over voltage (over voltage) or under voltage, it will be flashing alarm.
●★When battery voltage is less than 11V (< 11V ), or hgiher than 15V (>15V), it will flickering alarm and display the real battery voltage.


Description

100% brand new and high quality

Specification:
Working Voltage: 8v~17v
Working Current: 40mA
Voltage Accuracy: ±0.1V；
Rotating Accuracy: ±30round/min
Maximum Rotating Gauge: 100-31800round/min
Bulb Color: Red
Quantity: 1 Pc
Other Fixtures:

This meter displays car engine speed automatically. When car engine started, it begin to show the speed. If battery over voltage,which is bigger than 15V(>15V)
The meter display speed will be flickering and flashing, which is alarm. and notify you this car battery voltage is over. If enginer speed over 10000 rpm/m, for example 15000r/min, the car tachometer will display -150

Working Volt: DC 8V -17V
Current: 40mA
Voltage accuracy: +/- 0.1V ;
Speed accuracy: +/- 30r/min

Package includes:
1 x Tachometer Voltmeter(without retail package)