The CL220 measures AC current and NCVT via clamp and AC/DC voltage, resistance, and continuity via test-leads, and temperature with thermocouple. The meter features automatically ranging True Root Mean Squared (TRMS) measurement technology for accuracy. Additionally, a backlit LCD makes viewing in low light easy. Overall Length 8.45" (21.5 cm) Voltage 600 V AC/DCBatteries 3 x AAA Capacitance €” Standard CATIII 600V, Class 2, Double Insulation Safety Rating, CE Certified Special Features Automatically Ranging True Root Mean Squared (TRMS) Measurement Technology for Accuracy; NCVT; Added Temperature Ingress Protection €” Temperature Range -40° - 1832°F (-40° - 1000°C) Jaw Size 1.6" (4.1 cm) Auto-Power Off Yes DC Voltage 600 V Overall Width 3.5" (8.9 cm) Frequency €” Weight 11 oz (314 g) Application Measures AC Current and NCVT via Clamp and AC/DC Voltage, Resistance, and Continuity via Test-leads, and Temperature with Thermocouple Display 2000 Count Backlit LCD Functions TRMS, AC Current, NCVT, AC/DC Voltage, Resistance, Continuity and Temperature Current 400 A AC Ohms (Resistance) 20 M„¦ Drop Protection 6.6' (2 m) Included Carrying Case, Instructions, Test Leads, Thermocouple, and Batteries Overall Height 1.5" (3.8 cm) AC Voltage 600 V Material ABS/Electronics DC Micro-Amp €”