One Hand Automatic Operation, Stainless Steel Black,Gravity Electric Salt and Pepper Grinder Mill with Blue LED Light.Battery Powered Automatic Pepper Mill, Adjustable Coarseness,need 6 AAA batteries need 6 AAA batteries，not include Consistent Excellence: The UNNEES battery operated salt and pepper grinder set, powered by an efficient motor and innovative design with 6 AAA batteries(not included), guarantees enduring and robust grinding, effortlessly meeting culinary perfection Precision at Its Best: The UNNEES gravity electric salt and pepper grinder set, with gravity-fed dispensing, blue LED lights, and adjustable coarseness settings, delivers personalized grinding for professional precision every time Independent Grinding Systems: The set includes two separate grinders, specifically designed for salt and pepper, completely eliminating spice cross-contamination, ensuring each dish maintains its original and authentic flavors 【Unique Design】Transparent acrylic material at the bottom allows you to see the remaining spices and convenient to distinguish the spices in the grinder. Turn the bottom container clockwise to open it. Turn the bottom container counterclockwise to close it. When closing, do not over-tighten it, otherwise it will require a lot of force to open it again. With the blue LED light, blue light is not only bright but also gentle, you can easily to see amount of pepper, salt and other grain you put in your food.