Quite possibly the easiest way to monitor battery voltage and current draw on your van, RV or boat. Simply follow the included wiring diagram to measure 5-30VDC and 0 to 10A DC. • Supplied with brackets for panel or surface mounting • Connection is via three 6.3mm spade terminals (current shunt in-built) • Also available with additional modules Specifications Current DC Measuring Range : 0.00000000A, 10.00000000A DC Volts Measurement Range : 5.00000000V, 30.00000000V Digits Displayed : 3.00000000 digit Display Type : LED Display Backlight : Red LED Backlit Dimensions for : Including Bracket Dimension details : Panel Mounting Width : 60.00000000mm Height : 42.00000000mm Mounting Method : Panel Attachment / Securing Method : Collar / Nut Dimension for : Including Bracket Dimensions details : Under Dash / Surface Mount Hood Width : 55.00000000mm Height : 50.00000000mm Depth : 80.00000000mm Dimensions for : Without Bracket Dimension details : Voltmeter/ammeter module Depth : 40.00000000mm Diameter : 36.00000000mm