Blue Sea 8237 AC Digital Voltmeter 
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)