Automatic OperationOur Electric Pepper and Salt Grinder with Gravity sensor switch, you even neednt to press a button, Simply flipped the grinder and you will have fresh ground spices, Convenient and funny. Battery powered, each grinder requires 6 AAA batteries, batteries not included. Adjustable Grinder Many grinding levels for your choice allows you to grinder your spices from coarse to fine. Electric Pepper and Salt Grinder use a high-quality ceramic rotor. You can choose the coarseness of your spice, salt or pepper by turning adjustment knob at the head of the grinder. Wide ApplicabilityThe electric grinder is suitable for pepper, salt and other solid grain seasonings. Battery powered, convenient and fast, you can use it anytime and anywhere. This grinder is the good helper for kitchens, restaurants, parties and outdoor picnics. Unique DesignTransparent acrylic material at the bottom allows you to see the remaining spices and convenient to distinguish the spices in the grinder. Turn the bottom container clockwise to open it. Turn the bottom container counterclockwise to close it. When closing, do not over-tighten it, otherwise it will require a lot of force to open it again. With the blue LED light, blue light is not only bright but also gentle, you can easily to see amount of pepper, salt and other grain you put in your food. If you find that the mill does not work after the product arrives , it is generally the case that the ceramic grinding core is stuck with granules. In this case, first turn the coarseness adjustment button on the top of the grinder in a counterclockwise direction and adjust it to the coarsest state. Then use tweezers to remove the particles blocking the ceramic grinding core. And then the grinder can grind normally.