Electric Pepper Grinder or Salt Mill Automatic Operation Our electric Pepper Grinder with Gravity sensor switch. You won?t need to press a button Simply flipped the grinder and you will have fresh ground spices. 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.