5-Level Adjustable Grind & Durable Ceramic Core This electric salt and pepper grinder set allows you to choose from 5 levels of grinding to suit your preference. Easily adjust by simply twisting the knob on the bottom of the salt grinder. Equipped with a premium ceramic grinding core, known for its long-lasting durability and ability to maintain blade sharpness. Convenient Battery Operation: Experience ultimate convenience with the black and wooden shakers. The salt grinder is easily powered by 4 AAA batteries (not included). Comes with an auto light. The electric salt and pepper grinder set can be used anywhere, in the kitchen, at restaurants, or even for outdoor barbecues. Please refrain from purchasing if you are concerned about home storage.