AUTOMATIC OPERATION: Are you constantly frustrated by a manual grinder that's hard to shake when cooking? Use our gravity grinder and you'll have freshly ground spices just by flipping the grinder with one hand, and your other hand is free for other kitchen task. It suitable for all dinner tables and kitchen countertops DJUSTABLE ROUGHNESS: Effortlessly grind your salt and pepper to your preferred coarseness using this electric salt and pepper mill set. Rotate clockwise into fine particles and rotate counterclockwise to grind into coarse particles. Perfect grind from coarse to fine with a variety of ingredients EASY TO REFILL: Each salt and pepper shakers will hold up to aprox 7 TBSPs or 4.7 oz of the salt, pepper or other. Just unscrew the grinder from the bottle to refill. Transparent acrylic bottle body, let you know when it's time to refill. It comes with a utility brush to easily clean excess spice spills from the grind BATTERY POWERED: Fill each grinder with 6 AAA batteries before use (batteries aren't included), then fasten as instructed and start using. No manual grinding, no need to press buttons. The blue LED lights automatically turn on when working, you can clearly see where the seasoning falls and how much seasoning is put ELEGANT KITCHEN GADGET: Any kitchen needs some spices as a good helper, and our grinder set perfectly meets the needs of the master chef. This shapely salt and pepper grinder set is not only a practical kitchen accessory but also a stylish kitchen decoration. Any problem with the pepper grinder set, please feel free to contact us