[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 . 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. Check this video to know how to install it. https://..com/watch?v=M32ADqoeF8k Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Colour: black Material: plastic Voltage: AC120V Package Contents: 1 * 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.