Sea-Dog Rainbow Display Digital Voltmeter - Injection Molded Nylon - 5V-15VDC [421617] Brand_Scandvik The vent can be retrofitted

The vent can be retrofitted to an existing hole of up to 6" in diameter

Easy-to-Read LCD Screen - displays large easy-to-read messages

will not harden or crack and is ideal for preventative maintenance in high humidity environments

4-7/8" wide

Trunnion swivel head allows both 360° rotation and side to side articulation

Sea-Dog Rainbow Display Digital Voltmeter - Injection Molded Nylon - 5V-15VDC [421617] Brand_Scandvik The vent can be retrofittedRainbow Display Digital Voltmeter Injection Molded Nylon 5V 15VDC The Rainbow Display Digital Voltmeter gives the user quick, visual, color coded voltage information. Red orange means the voltage is too low. Green means the voltage is normal. The same compact round size as a standard 12VDC receptacle, this voltmeter supports many installation options. Constructed of injection molded nylon. Rainbow LED display. For use with 12VDC systems. IP65 rating.