Automatic Operation: Automatic Pepper Grinder Set Up With A Sensor Switch. Softly Press The Button A Time For Each Grinding, And Then You Can Easily Enjoy Fresh And Delicious Spice Powder Without Grinding Manually. In Addition, The Sensor Switch Is Also A Power Indicator. When It Is Green And Blue, It Indicates Sufficient And Moderate Power. When It Is Red, It Has A Low Battery And Needs To Charge In Time. | | Temperature And Humidity Display: With Induction Holes On The Top Of The Grinder, Our Electric Pepper Grinder Or Salt Mill Measures The Temperature And Humidity Of The Environment And Then Displays On The Display Screen To Know The Storage Environment Of Spices, Which Ensures The Storage Time Of Spices. | | Adjustable Coarseness: The Salt Grinder Can Be Adjusted By Turning The Button At The Bottom, Clockwise For Fine Particles And Counterclockwise For Coarse Particles. Easy To Adjust The Size, Free To Choose The Desired Size. It Is A More Convenient Kitchen App.