Blue Sea 9354 AC Analog Voltmeter 0-250 Volts AC 
AC Analog Voltmeter - 2-3/4" Face, 0-250 Volts AC
- Dial Marked in 5 Volt increments
- Simple 2-wire connection to AC hot and neutral
- Meter senses and powers from same connection
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)