YAYAYOUNG Gravity Electric Grinder set of 2, Automatic Pepper and Salt Mill Grinder with Blue LED LIGHT Adjustable Grinder Many grinding levels for your choice allows you to grinder your spices from coarse to fine. Electric pepper 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. Automatic Operation Our electric Pepper Grinder with Gravity sensor switch, you even needn’t 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). Wide Applicability The 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.