The Heavy-Duty Circuit Tester services 6V, 12V and 24V systems. It has a 6ft. long, heavy duty 18-gauge dual leads with battery clips and spring strain relief cable. The probe is a high-impact plastic body with dual color LED indicating RED for Power (High) and GREEN for Ground (Low). The JTC4196 is a high impedance tester that protects computer circuitry. 

Model Name: JTC-4196