If you are dissatisfied with the product, pls contact me first and don’t leave negative feedback lightly. Thank you, have a nice day. Quality of purchases is at your service! THSINDE These electric salt and pepper grinders can be used on any table or kitchen. During grinding, the integrated LED lights up automatically. Easy to fill, assemble, disassemble and clean. When the mill is turned on, the blue LED light will turn on automatically. These electric spice mills are easy to use, even with one hand. These salt and pepper grinders are made of high quality stainless steel and can be used with various peppers, salt, sea crystals, dried herbs or spices for various cooking purposes. The ceramic grinding cores are stronger and harder than ordinary steel grinding cores, and the grinding spices are more delicate and smooth. Please note that the length of the grinding wheel needs to be shortened and the nut is tightened. The easy-to-clean stainless steel fixture is perfect for homes,