Operation has been checked. Overall clean with minor scratches! There is dirt on the knob as shown in the picture. Please check the detailed condition in the pictures. The display appears to be blinking in the video, but please be assured that the display is actually solid with no blinking. This product is made in Japan. Please note that the frequency is different in overseas. We carefully check the condition of all of our items before we list it for sale and also before we dispatch it to you. We promise to work hard on the problem and make it right. International Buyers – Please Note. Please understand these charges are the buyers responsibility.