Tekpower Small Size Clamp On Meter BM5268 is a convenient companion for electricians who need to check current and voltage. This meter measure AC current up to 600A, perfect for air conditioner and refrigerator repairs. It checks temperature with a K-type thermos probe. As a combined clamp meter and digital multimeter, it measures Frequency Duty Cycle and Capacitance. It measures AC and DC voltage up to 600V. Clamp Meter + Multimeter AC/DC V/A Resistance Frequency Capacitance and 5-range Inductance High accuracy display and stable output Auto Power Off and Data Hold Capacitance and Frequency Measurement What's in the Box: Clamp Meter BM5268 Test Leads Temperature Sensor User's Manual Specifications: 1. DC Voltage: 400mV-4V-40V-400V-600V 2. AC Voltage: 400mV-4V-40V-400V-600V 3. AC Current: 4A-40A-400A-600A 4. Resistance: 400Ohms-4K-400K-40M-40M Ohms 5. Capacitance: 10nF-100nF-10uF-100uF-100uF-10mF 6. Frquency: 100Hz-1Khz-10Kh-1Mhz-10Mhz-40Mhz 7. Duty: 1% -99% 8. Temperature: -50 C-300C, -58F-600F 301C- 1000C , 601F -1832F 9. Diode Test 10. Continuity Test