Innovative Gravity SensorGravity feed, just turn the grinder upside down and it will automatically start grinding, providing your meals with fresh seasonings. Adjustable Grinding SizeYou can turn the adjustable knob on the top of the grinder to adjust the grinding size you want. Blue LED Light DesignThe built-in LED light will automatically turn on when working, helping you see clearly in the dark environment. Premium MaterialThe electric salt and pepper grinder is made of high-quality stainless steel and BPA-free acrylic glass, which is environmentally friendly, non-toxic, anti-corrosion, and keeps the spice fresh and healthy. Chili is battery powered and easy to use. It has a smart one-handed design to grind pepper, salt, cumin and other spices.