Blue Sea 8239 AC Digital Frequency Meter [8239] Outdoor This control is ergonomically designed

This control is ergonomically designed

Provides main DC circuit protection in addition to high ampere load protection

PN:  7144

The "Combine Batteries" function offers the ability to combine the two battery banks in the event of a low Start battery

40 watt horn

Blue Sea 8239 AC Digital Frequency Meter [8239] Outdoor This control is ergonomically designedAC Digital Frequency Meter Displays frequency from 40 to 90 Hertz 3 levels of display brightness Splashproof front 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)