Features: 1.3-in-1 function: electric pen + current clamp meter + multimeter, breaking the traditional function of a machine for three purposes 2. Automatic mode + manual mode: current direct test automatically identify AC and DC, high precision measurement fast 3.NCV non-contact voltage detection: the top of the meter NCV position near the AC power supply AC voltage sensing meter will issue an alarm 4. Lithium direct charge, Type-C interface: built-in 3.7V 400mA battery, recyclable, environmentally friendly and convenient 5.Multifunctional use: temperature measurement, auto-range, zero-firewire identification, lithium battery direct charge, AC and DC current, flashlight lighting, non-contact sensing voltage, frequency, AC and DC voltage, the bottom number of zero, resistance, capacitance, diode, beeping on and off, automatic shutdown, duty cycle. Parameters: Model: U1 Maximum count: 6000 Power supply: built-in 3.7V 400mA lithium battery Interface: Type-C Automatic shutdown: 15 minutes Package Includes: Multimeter*1 Instruction manual *1 Measuring pen *1 Type-C USB charging cable *1 Storage bag *1