The RELIFE DT-02 Smart Pen-type Multimeter is a cutting-edge tool designed for technicians, engineers, and DIY enthusiasts who demand accuracy in a portable form. With its pen-style design, intelligent functions, and multi-purpose measurement capabilities, this device simplifies electronic diagnostics and repair, making it ideal for mobile phone maintenance, circuit testing, and everyday electrical troubleshooting. It supports AC/DC voltage detection, NCV (non-contact voltage), live/neutral wire distinction, continuity, resistance, frequency, duty cycle, diode testing, and capacitance measurements. Its lightweight, compact design makes it easy to carry and perfect for fast, reliable testing.