High Quality Construction: The salt grinder is made of acrylic with a special ceramic core that is more durable than most regular steel cores on the market. The rotary motor uses the latest technology for simple and quiet operation. Easy to use: the high-quality electric salt grinder is battery-powered and its clever one-handed design makes grinding salt very easy. With just the touch of a finger, you can season your food. When the electric condiment grinder is in operation, the indicator light automatically illuminates to show you exactly where the condiment is being dispensed. Infinite creativity: the thickness of the salt and pepper grinder can be set to infinity. The electric grinder can grind not only sea salt but also other spices such as pepper, cardamom and cumin.