DS18 2 Farad Power Capacitor with Digital Volt Display<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>2 Farad Digital Power Capacitor - Rapid Frequency Discharge</li><li>Cylindrical Style Housing</li><li>Electronic Polarity Protection Circuit， Automatically Alarms When the Polarity is Reversed and the Voltmeter will Display Low Voltage.</li><li>Over-Voltage Protection Circuit</li><li>Working Voltage: 10V-20V</li></ul></div><img src="http://ecx.images-amazon.com/images/I/410gOX%2BOslL.jpg" noproxy>