Cable tester tests and maps coaxial cable. Simple push-button operation for wire tracing. Easy to read LED panel indicates PASS, OPEN, or SHORT conditions and simplifies cable identification. Remote #1 (red) is included with this tester. Color coded push-on remotes allow for up to four cables to be tested and mapped (sold separately). Upgrade Remote Kit VDV512-110 (sold separately), includes holder with 4 remotes and F adapter. Uses 2 replaceable AAA batteries