The T-9 One Light Electric Fence Tester is your go-to tool for hassle-free and precise electric fence testing. With a single-light indicator, this tester allows you to swiftly measure voltage, ensuring your fence is operating at its best. Whether you're a seasoned farmer or new to electric fencing, this tester's straightforward design makes it easy to use. Keep your livestock secure and your fence in top-notch condition with the T-9 One Light Electric Fence Tester – the trusted choice for electric fence maintenance."