Safety plug-If the wiring of the device is loose, the electrical device becomes dangerous. The OAONAN Safe RCD connector can help you by detecting current leakage current and stopping power supply within 100ms. Protect you from injury or even fatal electric shock Fully compatible-suitable for any standard socket. Compatible electronic equipment (220V-240V) Passed CE certification-composed of non-conductive and fire-resistant PC material. The sturdy design is suitable for indoor and outdoor use. For example, in high temperature, humidity and other harsh environments Wide range of uses-suitable for kettles, electric blankets, power tools, lawn mowers, Christmas lights, hedge trimmers, etc.