open box never used, The Topdiag 12V 24V Car Electrical Circuit Tester Power Probe is a versatile diagnostic tool suitable for motorcycles, passenger vehicles, and heavy-duty/commercial vehicles. This unit features a digital display, continuity testing, voltmeter, and relay & component testing capabilities. With a warranty of 1 year and a manufacturer part number of P100, this power probe includes accessories such as a user guide, clamps, and probes. Made in China, this electrical circuit tester is a reliable and efficient tool for automotive maintenance and troubleshooting.