Faria Voltmeter (F22022). This Platinum Series Instruments by Faria have spun aluminum gauge dials with unique graphics and a polished stainless steel bezel for a rugged, beautiful appearance. Platinum Series has Faria's ground-breaking domed glass fog-resistant lens. These lenses wick away moisture and are resistant to scratches and other forms of fouling that occur in the maritime environment. A voltmeter measures the battery voltage and the charging system's overall condition. The meter does not need warming up and immediately displays voltage changes. Key Features: Anti-fog, scratch-resistant domed glass lens Bezel in Stainless Steel Blue LED Illuminates the Dial's Perimeter Backlit Illuminated Fire-Orange Tip Pointer Extends the life of a high-quality design Constructed using superior materials Specifications: Brand: Faria SKU: F22022 Weight: 0.26 LBS Style: Platinum Gauge Size: 2" Measurement Limit: 10-16V DC Voltage - Input Range (Volts): 12/24 V Operating Temperature: -20 degreeC to +70 degreeC Storage Temperature: -30 degreeC to +85 degreeC Mounting Hole: 2-1/16" (53 mm)