Blue Sea 8237 AC Digital Voltmeter [8237]AC Digital Voltmeter Displays voltage from 80 to 270 Volts 3 levels of display brightness Splashproof front Manual sleep mode blanks display for power conservation 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)