The special design of gravity activated and automatically turn on as you tilt it to spice your food and automatically turn off as you put it straight. The electric grinder is suitable for pepper, salt, and other solid grain seasonings. You can select the roughness of your spices, salt, or pepper by turning the adjusting knob on the head of the grinder. The transparent acrylic material at the bottom (no bisphenol A) allows you to see the remaining spices, which is convenient for you to distinguish spices in the grinder. With the blue LED light, the blue light is not only bright but also soft. You can easily see how much pepper, salt, and other grains you put in your food. Package Includes 2 x Salt Pepper Grinder.