This battery powered automatic stainless silver salt, pepper or spice grinder will make your life much easier. Just add the desired amount of salt or pepper or spices to the hopper and let the grinder do its job. The hopper holds a generous amount, the hopper is clear so you can easily check the spice level. The machine automatically starts grinding when you turn it upside and automatically stops when you turn it upright. When the grinder is operating, there are LED lights that easily allow you to watch the amount of spice you are applying, the lights shut on when the grinder starts and off when the grinder stops.