The Snap-on 12V Electrical Circuit Tester, No. EECT413, includes various non-intrusive grabbers and clips, as well as standard, micro and spade-style props to fit any job. These options make it easy for the user to operate the unit hands-free. The safety-style shutter with banana jacks protects against accidental metal to metal contact. The tester offers computer-safe draw and surge protected circuitry displays from 3-19.99V DC.