Uni-T Socket Tester, UT07A, Red

Features Professional socket tester, easily detect socket wiring. This socket tester can be used for circuit construction or household line checking, which can guarantee personal safety and prolong the lifetime of electric appliances. Compact design and convenient to use. Just plug the tester in the socket, then judge the wiring through 3 indicators Quick reference with printed chart on product. Suitable for circuit construction or household line checking.