Expert Quality, auto and manual ranging clamp meter capable of voltage, current, resistance, diode, continuity, capacitance, frequency, duty cycle and temperature testing. Maximum jaw - opening diameter of 36mm, backlit LCD screen, auto power off and a useful inspection light. Supplied with test leads, temp probe, case and 3 x AAA batteries. AC Current: 4A/40A/400A/600A, AC Voltage: 400mV/4V/40V/400V/600V, Automatic Power Off: Yes, Battery: 3 x AAA (supplied), Capacitance: 5nF/50nF/500nF/5μF/50μF/200μF, DC Current: N/A, DC Voltage: 400mV/4V/40V/400V/600V, Dimensions: 230mm x 156mm x 62mm, Diode on/off Test: Yes, Dwell: N/A, Frequency: 10Hz/100Hz/1kHz/10kHz/100kHz/1MHz/10MHz, Resistance (Ohms): 400Ω/4kΩ/40kΩ/400kΩ/4MΩ/40MΩ, Symbol Unit Data Hold: Yes, TACH: N/A, Temperature Range: -20℃ - 1000℃, Weight: 488g (approx)