Digital DC Ammeter - 0-100DCA 12/24 Volts SystemMonitor marine/land based power distribution & generating systems (ABYC E-11.9.3.2.)AC voltmeter and AC ammeter are true RMS (ABYC E-11.9.3.2.)Surface mount with only two 5/32" diameter holesWindow mount in standard 2.5" analog meter cutout (2.90" W X 1.28" H)Three digit LED display (Frequency meters are two digits)Reversed Polarity ProtectedSplashproof frontIncludes pigtails, mounting hardware, & instructionsSpecifications:Display Character Size: 9/16"Input Voltage: 8-32VDCPower Consumption: 1Watt 12/24VDCAccuracy: +/- 1 CountOperating Temperature Range: 32-122 deg. FDimensions: 3.08"W, 2.38"H, 1.0"D