The extension cord works perfectly. The finish is nice. I have been using it for my electric pressure cooker and blender. Sometimes I plug in aroma diffuser along with them. they all work well at same time. no problem in power supply. I love the additional feature of USB port through which I can charge my phone and ipad, without leaving my kitchen. A switch is also given to on and off. So its very safe to use around my toddler. Totally love the product. I am very happy with the purchase.