[Easy to Install]Ground fault circuit interrupter with surge protection. Just respectively connect 3 pcs of wires to joint screws marked (live wire), GRN (earth wire) and (null wire).Then screw down and close the cover. [Safety Leakproof]Replacing your general plug of power tool with this GFCI Plug, to protect you and your appliances from electric shock. when leakage of electricity takes place, the GFCI plug can break the circuit automatically within 0.03 second. Auto-reset when leakage is eliminated. [Durable]Solid material and rugged design construction, built to withstand heavy use. Do not need to waste much more money to get new devices after using this replacement plug. [Clear Instructions]Power indicator lamp goes OFF if GFCI trips, power is interrupted or GFCI is unplugged. To test and use, just keep connecting, press the TEST button, the indicator light should be off; press the RESET button, the light should be on. [Widely Use]Replacement GFCI plug is widely used for most home appliance and electric tools unit such as washing machine, air conditioner and hairdryer. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Wide Application Scenarios, Both Indoors And Outdoor - When you find that plug of an electrical appliance in your home is damaged, you no longer need to change another expensive machine, just use our replacement plug 3 to replace the bad plug. Replacement GFCI plugs are widely used in most household appliances and outdoor power tool installations, such as hot tubs, pool pumps, vacuum cleaners, coffee makers, generators, pressure washer, drill, lawn equipment, heaters, etc. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage: AC110V Colour:black Material:plastic Package Contents: 2 x GFCI Replacement Plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.