The PRO-50A is highly versatile, economically-priced DMM designed to meet CAT III (1000 V) and CAT IV (600 V) safety standards. Engineers, technicians, electricians, and students can use the PRO-50A in confidence with its rugged design and non-contact AC voltage (NCV) detection feature. The PRO-50A has a large, 3½ digit LCD backlit display for comfortable viewing. The PRO-50A, fused & fully overload-protected, is housed in a protective rubber boot. Its many functions include measuring voltage, resistance, amperage, capacitance, frequency, transistors, and temperature.