Easily test for breaks in non-energized wires or cords.Marinco's Heavy-Duty Continuity Tester is very easy to use. Continuity in non-energized circuits isindicated with a bright, 360 visual indicator located near the tip. A flexible lead with an insulatedalligator clip allows testing of a circuit or component.WARNING: Only use on non-energized (dead) circuits.Durable, heavy duty tip for probing circuitsErgonomic styling with rubber gripping area36" flexible lead with insulated alligator clipBright, 360 visual indicatorConvenient integrated pocket clipRequires (2) AAA batteries (included)Operating environment of 32-104F (0-32C)Limited lifetime warrantyOwner's Manual