Sierra 59656P Lido Pro 2" Fog Resistant VoltmeterFeatures: Dial Range: 8-18 VDC; Gauge Description: Voltmeter-12 Volt; Size: 2"; Sender Code: None Required; White dial, black numerals, black pointer with fire-orange tip; Scratch resistant curved glass lenses, with polished stainless steel, near-flush bezels; Optional add-on eyebrow or square bezels available (see Gauge Accessories for details); White perimeter and red thru-dial lighting; Fog-Resistant Design! Complies with SAE J-1810; Current Draw: 0.10 - 0.15 A; Operating Temperature: -40C to +70C; Ingress Protection: IP65; Bezel O.D.: 2.34; Housing O.D.: 2.08; Hole Size: 2.1;