Craftsman 8 Function Multimeter 20 Ranges Continuit and Diode Test (Packaging May Vary) Measures up to 600V AC and 10A AC for electrical installation, home, appliance repairs. Measures up to 600V DC and 10A DC for auto, marine and electronic installations/repairs. Audible tone sounds below 30ohms to check proper wiring and shorts. Resistance of up to 2Mohm for household and auto electrical wiring testing and repair. Diode test for electronic and electrical testing.