This battery-powered clamp-on probe is designed for use with digital multimeters, voltmeters, and other voltage-measuring instruments. Its jaws clamp around conductors to measure current without breaking the circuit, utilizing Hall sensor technology to detect the magnetic field generated by the current. The probe provides low DC and AC measurements from 10mA to 80A and features a narrow jaw design optimized for use in crowded wiring environments common in industrial and automotive settings. A 9V battery is included, and the device is suitable for circuit board testing, motor controllers, and automotive circuitry.