IJO1771 Features: * Depressing the red button the tester becomes a jumper for powering electrical components or a ground * Probe, handle, cord and clamp are reinforced for durability * Comes with a strain relief spring on the cord Specifications: * 2-in-1 Tester that tests circuits up to 12 volts and works as a jumper wire for power or ground * Heavy-duty circuit tester for checking low voltage up to 12 volts Dimensions: * Weight: 7 oz