Key Features : 400 A ac current measurement 600 V ac and dc voltage measurement True-rms ac voltage and current for accurate measurements on non-linear signals Resistance measurement up to 4 kohm with continuity detection Temperature and capacitance measurement Slim, ergonomic design Large, easy to read backlight display CAT IV 300V/CAT III 600 V safety rating Hold button Catergory Rating : CAT III 600 V , CAT IV 300 V