LSDI LS-57-500 CXT Chex-Zit Continuity Tester

Get fast, reliable circuit diagnostics with the Labor Saving Devices Chex-Zit Continuity Tester — a compact network tester designed for technicians who need quick, accurate results on security, surveillance and network cabling. The Chex-Zit combines continuity and voltage testing in a leadless design that eliminates extra probes and clips, letting you check runs and terminations faster during installations and maintenance. Built from aircraft-grade aluminum with a durable satin finish, this tester stands up to daily field use while the bright red LED delivers clear visual confirmation of continuity or detected voltage. Powered by two AAA batteries and sized to fit a shirt pocket with its integrated clip, the LS-57-500 is ideal for security integrators, monitoring teams and network technicians who prioritize reliability and speed. Use it for troubleshooting CCTV runs, verifying alarm wiring, or checking low- and high-voltage circuits during commissioning. Add the Chex-Zit to your toolkit for efficient, confident cable and circuit verification—order now or contact sales for volume pricing and deployment recommendations.

• Rapid, leadless continuity and voltage checks speed troubleshooting for security, surveillance and network cabling
• Durable aircraft-grade aluminum housing stands up to jobsite wear for dependable field use
• Bright red LED gives an unmistakable pass/fail indication to reduce diagnostic errors and downtime
• Compact, pocket-clip design keeps the tester on-hand for technicians during monitoring, installs and service calls
• Uses common 2 AAA batteries for long runtime and easy field replacement