This Professional Multifunction AC/DC Voltage AC Current Clamp Meter has both Auto & Manual Range with 5999 counts. This clamp meter measures DC and AC voltage, AC current, Resistance, Capacitance, Frequency, Diode, Continuity, and ADP Measurement. Features: Multifunction Clamp Meter Data hold, MIN/MAX and Backlight CE, IEC1010-1, IEC1010-2-032, CATII 1000V, CATIII 600V, EMC Bigger LCD screen Overload Protection Impedance in circuit is below 40Ω with buzzer alarm Auto power off and low battery indication Auto and Manual Ranging Safety Guard and secured jacks Double insulated Design in accordance with Electromagnetic Compatibility (89/336/EEC) & Low Voltage (73/23/EEC as amended by CE Marking (93/68/EEC) Specifications: General Specifications: Maximum Voltage: 1000V CATII 600V CATIII Altitude: 2000m Display: LCD 5999 counts Update 2 ~ 3 per second Ranging Method: Auto/manual Range Mode Polarity Indication: "-" display for negative polarity Over Range Indication: LCD will display "OL" Low Battery: icon will appears on LCD Jaw Capability: 40mm, Max conductor size Power: 3 x 1.5V AAA Batteries Operating Temperature: 5 ~ 35°C Storage Temperature: -10 ~ 50°C Dimension: approx. 225 (L) x 86 (W) x 32 (D) mm (8.86' x 3.39' x 1.26' inch) Weight: approx. 330g Set Includes: 1 x Multifunction Clamp Meter 3 x 1.5V AAA Battery 1 x Test Leads 1 x Protective zippered carrying pouch English Instruction Manual Standard packaging box