HIGH-QUALITY MATERIA Our pepper mill is made of stainless steel and acrylic. Electric pepper grinder stainless steel is corrosion-resistant and can ensure maximum durability. The acrylic box is used to hold pepper or coarse salt. Salt and pepper grinder set will not cause harm to you and your family . AUTOMATIC OPERATIONOur gravity salt and pepper grinder set allow you will not need both of your hands to grind your spices. Better than other brands, that you dont need to use switch. You just need to tilt the auto pepper grinder down, it will start automatically, and the blue LED light will automatically illuminate. . ADJUSTABLE GRIND COARSENESSThe ceramic grinder is located at the top to remove your pepper from coarse to fine and keep your table or countertop free of residue.Rotate clockwise into fine particles and rotate counterclockwise to grind into coarse particles.Simple and fashion design, suitable for all dinner tables and kitchen countertops. . EASY TO USEThis pepper mill can be operated with one hand. The speed and efficiency of the electric pepper grinder is 3 times that of manual pepper grinder. For this pepper mill grinder, you can also freely adjust the coarseness of seasonings to meet different requirements. . BATTERY POWEREDFill with 6 x AAA batteries as per instructions before use (batteries are not included),which provide strong power for the pepper mill, you dont have to spend a lot of manual grinding. .