The Volcraft DVM-230RN DC Digital Voltmeter Module is a panel meter for installation in power supplies, lab equipment, control panels, etc. DIN dimension 48 x 24mm and 10mm digit height. Includes a LED backlight for dark conditions, with an additional current consumption of about 50mA. Virtually any measuring range may be achieved by simply adding resistors (voltage divider, shunt), example: Electrical connection via solder tabs. * Input resistance 100MO * Red Inverted colour * Display range 0-1999