Including the function of measuring AC/DC voltage. AC current. resistance. capacitance. frequency. diode test. NCV test and more. the multifunctional clamp meter is compact. high accuracy. and easy to use. Features: Multifunctional Clamp Meter: can be used to measure AC current. AC/DC voltage. resistance. capacitance. frequency. diode. on-off buzzer. live detection. High Precision Clamp Multimeter: intelligent auto-ranging clamp-on multimeter can measure current without breaking the wire. Backlit Bright Screen for Clear Reading: HD bright screen with backlight ON/OFF switchable for display data clearly. Data Retention: hold the measured data for conveniently checking or writing down data. High Reliability & Efficiency: LED buzzer alarm with good reliability and high precision. really practical for electrical equipment testing and maintenance. 9.7mm Jaw Opening: jaw opening of 9.7mm to measure current without touching or interrupting the circuit. Power Supply & Auto-off: powered by 2pcs 1.5V AA battery(NOT included). and the clamp meter will automatically powers off after 15 minutes of inactivity. Specifications: Color: Black / Red / Yellow (Optional) Material: ABS Range: Auto range Max. Display: 4000 counts AC Voltage: 0~600V DC Voltage: 0~600V AC Current: 0~400A Capacitance: 0~4mF Resistance: 0~40MΩ Frequency: 0~400Hz Battery: 2 * 1.5V AAA battery (NOT included) Item Size: 140 * 38 * 11mm / 5.51 * 1.50 * 0.43in Item Weight: 124g / 4.37oz Package Weight: 238g / 8.40oz Package Size: 22 * 9.2 * 4cm / 8.66 * 3.62 * 1.57in Packing List: 1 * Clamp Meter 1 * Pair of Test Lead 1 * Manual (English)