Blue Sea 8251 DC Digital Voltmeter with Alarm HEADBOARD SHACKLES Marine charts printed on top-tier

Marine charts printed on top-tier heavy paper with waterproof ink

This portlight can be installed using either sealant or closed cell PVC tape

Use the two-part cleaner before spring application

Recommended for use with code zero sails

Sealed motor shaft for moisture protection

Blue Sea 8251 DC Digital Voltmeter with Alarm HEADBOARD SHACKLES Marine charts printed on top-tierItem# 8251 Displays voltage from 0 to 60 Volts High and low voltage audio and visual alarms 3 levels of display brightness Programmable sleep mode blanks display for power conservation Splashproof front Applicable for 12, 24, 32, 36, and 42 Volt DC systems