Southwire Tools & Equipment 40040S Pro Continuity Tester with Remote EFFICIENT FUNCTIONALITY: Provides a simple way of checking continuity on wire and cables EASY TO USE: Simply press the ON button and connect the leads. Bright flashing LEDs and loud pulsating beeper provide a positive indication of continuity. TRACING CABLE RUNS: A detachable remote indicator is included for tracing cable runs. The LEDs on the test and the remote will glow green if there is an electrical path. FASTER PROJECT TIMES: The 40040S can be used to trace up to 3 cables at one time. This eliminates the need to go back and forth, saving time and money. WHATS IN THE BOX: The 40040S: Pro Continuity Tester with Remote and 9 volt battery included. SATISFACTION GUARANTEED: At Southwire, we strive to ensure that every product we develop helps increase safety, improve productivity, reduce manpower, save time and save money - both on and off the jobsite. After all, we don't just want to produce the most products. We want to produce the best products.