Blue Sea 8237 AC Digital Voltmeter [8237] Appliances "ON” LED embedded in switch

"ON” LED embedded in switch indicates pump is running

it takes about 1-2 hours with no removal of the interior required

These can be visually identified as the hinges with 2 circular holes in the center

It is enclosed in a rugged 1000D waterproof PVC integrated storage bag

Accepts standard Blue Sea Systems' "ON" indication LEDs

Blue Sea 8237 AC Digital Voltmeter [8237] Appliances "ON” LED embedded in switchAC 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)