Features:- Compact Size: Portable to carry and easy to use in one hand.- 36mm Jaw Opening: 36mm large jaw opening to measure without touching or interrupting the circuit.- Automatic Range: Intelligent efficient operation to get scientific accurate results.- 400A AC Current Measurement: 40A~400A(2.5%+3) wide range measurement, suitable for various wires, convenient & accurate.- NCV Non-contact Voltage Detection: If you want to detect whether there is AC voltage or electromagnetic field in the space, you can get the front end of the clamp head of the meter close to the measured object. If there is, a beep will sound and the NCV light will flash.- Data Hold Function: Hold the measured data for conveniently checking or observing data.- Backlight Function: LCD screen with backlight for clear data display.- Low Voltage Prompt: When the low power symbol appears, it is necessary to replace the battery in time. Insufficient power may affect the accuracy of the measurement results.- Automatic Shutdown: If there is no operation within 15 minutes, the meter will shut down automatically.- Equipped Accessories: Comes with one pair of test probes for convenient measurements. The black pouch with zipper is for convenient storing and carrying.- Multifunctional Measurement: AC / DC voltage, AC current, resistance, capacitance, frequency, NCV test, diode, on-off test.Specifications:Product Material: ABSLine Material: Brass+PVCColor: BlackPower Supply: 2 * AAA Battery (NOT included)Automatic Shutdown: After 15 minutesDisplay: LCD displayMaximum Count: 4000 countsJaw Opening: 36mmDC Voltage Range: 400mV(1.5%+5), 4V~600V(1.0%+3)AC Voltage Range: 4V~600V(1.5%+3)AC Current Range: 40A~400A(2.5%+3)Frequency Range: 10Hz-400kHz(1.0%+5), 400kHz-4MHz(2.0%+5)Resistance Range: 400(1.2%+3), 4k~40M(1.5%+5)Capacitance Range: 1nF~4F(2.5%+10), 4F~400F(4.0%+20), 4mF(5.0%+30)Diode: Zero/Fire Line Identification: NCV Test: On-off Beep: Backlight: Data Hold: Item Size: Approx. 183.3*48.8*33mm / 7.22*1.92*1.3inItem Weight: Approx. 128.7g / 4.54ozPackage Size: Approx. 23.5*10*4cm / 9.25*3.94*1.57inPackage Weight: Approx. 274g / 9.67ozNote:Please read the Users Manual before use.Packing List:1 * Clamp Meter1 * Pair of Test Leads1 * Storage Bag1 * Users Manual(English)