Gravity Electric Salt and Pepper Grinder, Automatic Battery Powered Matte Black Salt and Pepper Grinder Mill Set with Blue LED Light,2 PackGRAVITY OPERATION Simply invert the grinder, then it will grind salt and seasonings automatically BLUE LED LIGHT will also be activated, which is helpful when you use it in a dark environment, conveniently and effortlessly operated with only one hand BATTERY POWERED Powerful motor, solid and durable ceramic grinding core enable this battery operated grinders grind seasoning in seconds. Each grinder require 6 AAA Batteries (Batteries are not included)