Features: Automatic range and automatic identification. Function: voltage test, capacitance test, resistance test, diode test, firewire recognition, flashlight, electric field induced, buzzer alarm, TRUE RMS, automatic shutdown, keeping data. It is similar in size to the 4.7-inch mobile phone. Small and light design, easy to carry, humanized design, comfortable grip. Ultra-thin design that fits easily into a pocket. The design is exquisite, simple and generous, large touching screen, one screen three display, intelligent test, one key to open. Simulation bar: more intuitive display of measurements. The analog bar indicates fast and accurate digital representation. Probe line is connected to the body to refrain wrong holes.