Blue Sea 8244 AC Analog Micro Voltmeter - 2" Face, 0-150 Volts AC [8244]Micro Voltmeter Dial marked in 5 Volt increments Simple 2 wire connection to AC hot and neutral Meter senses and powers from same connection Backlit meter face WARNING: This product can expose you to chemicals including di(2 ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Owner's Manual (pdf)