30 Leviton #49661 electrical continuity testers. Tests the continuity of circuits at home, office, car, boat, and more; battery operated (2 AA batteries not included). Measures 7" long and includes 3' lead with alligator clip for easy connections. The sliding red covers locks in place to either expose or cover the contact point. This comes with instructions for different tests that can be performed. Remember to disconnect items that you are testing from power before using this! Use for testing:
