DROK Digital Car Voltmeter LED Red 12/24V Generator/Battery Voltage Monitor Cigarette Lighter Plug DC 8-30V
Features:Operating voltage: DC 12V/24V (Universal)Measuring range: DC 8-30VSize: 70mm x 40mmDisplay:  Three LED digital tubeDisplay color: RedError: 0.1 - 0.3VDisplay accuracy: 0.01VMeasurement sampling: 3 times / sPlug: Cigarette Lighter plugProtection:Built-in fuseCar Battery voltage monitor:Normal value: 12.2-12.8VLower than 11.6V: need to close/reduce the loads, and launch engine charging as soon as possible.Lower than 10V: the generator may not be able to startCar Generator voltage monitor:Normal value: DC 13.4-14.8VLower than 13.4V: Will not be able to charge the battery, please check the generator belt and the car loads.Higher than 14.8V: Power generation excessive,  easy to damage the battery and the loads , please check the generator regulatorNotice:Automotive ignition instant, please don't let the voltmeter to stay in the socketPackage Include:1x Digital Voltmeter