The TA802 Series Pen-Type Smart Digital Multimeter, including TA802A and TA802B models, combines the portability of an electrical test pen with the professional measurement capabilities of a digital multimeter. Designed for electrical testing, maintenance and troubleshooting, it provides a compact and efficient solution for electricians, engineers and technicians. Compliant with GB4793.1 and EN61010-1 international safety standards, the instrument features a high-resolution 9999-count display, automatic ranging function and an innovative pen-style design. The 180° rotating display allows convenient viewing from different angles, making it suitable for single-hand operation and use in limited spaces. The TA802 Series digital multimeter supports AC/DC voltage, resistance, continuity buzzer, diode testing, capacitance and frequency measurement. Integrated NCV non-contact voltage detection and live wire identification functions enable fast electrical inspection and circuit troubleshooting. The TA802A model additionally provides logic level testing for electronic circuit debugging, PCB testing and digital signal analysis. Equipped with LCD backlight, built-in LED flashlight, data hold function, configurable auto power-off and multiple overload protection circuits, this portable pen multimeter is widely used in home electrical installation, building maintenance, appliance repair, industrial equipment servicing, automation production line inspection, low-voltage engineering, smart building projects, electrical training and electronic development applications. With its compact design, versatile functions and reliable safety protection, the TA802 Series Pen Multimeter is an ideal handheld measurement tool for electricians, maintenance engineers and electronics professionals.