Dual Volt Meter Rock Switch 10V-48VDC This digital dual-voltage meter monitors and displays the voltage for the main and auxiliary batteries simultaneously. Rocker switch styling means this voltmeter fits any standard 13/16 in. x 1-7/16 in. rocker switch panel slot. Constructed of injection-molded nylon. Red LED display. Input 10-48VDC. IP65 rating. Features: Rocker switch styling means this voltmeter fits any standard 13/16 in. x 1-7/16 in. rocker switch panel slot Constructed of injection-molded nylon Red LED display Input 10-48VDC IP65 rating Specifications: Width: 13/16 in. Height: 1-7/16 in. Volts: 10-48 Weight: 0.04