Transparent Lid: The transparent cover let you observe the grinding process to form rough or fine powder. It is smooth and easy to clean; crushing different drugs will never produce color and odor.The specially designed grinder takes up minimal space, and the low noise motor allows your family to sleep quietly while preparing the morning cup. Multi-Purpose Grinding Our mini spice grinder is perfect for daily or personal use and can grind various DRIED/DEHYDRATED materials, including coffee beans, rice, seeds, peppers, masala, grains, indian spices, small herb pieces, seasonings and so on. The nucleated or crusty materials should be removed the nuclear or the hard shell and then ground. Portable Small Size, 150W Motor Our electric coffee grinder can be held by one hand easily and its compact design occupies less counter space, also easy to store in a cabinet or drawer. Free Parts If you find any parts are damaged after receiving product, just contact us, and we promise we provide you with free replacement. Also, any questions or needs during use, email us for help. NOTE : Due to high speed of the motor, the grinding machine will heat up slightly. Some burnt smell is normal due to motor running. Read Less