Built for electricians, automotive technicians, and DIY enthusiasts, this bundle combines a high-precision TRMS Digital Multimeter with a convenient Voltage Detector Pen and Receptacle Tester. The multimeter provides accurate measurements for AC/DC voltage, current, resistance, capacitance, frequency, temperature, duty ratio, and continuity, while the voltage tester helps quickly identify live wires and check outlet wiring conditions. Together, they create a reliable electrical diagnostic solution for car circuits, household repairs, appliance installation, and everyday electrical safety inspections