Gravity Sensor Design Battery Operated Electric salt and pepper grinder set adopts gravity induction design requires 4x AAA batteries not included Just simply flipped the grinder with one hand and you will get fresh spices Easy to use Beautiful Practical Gravity electric salt and pepper grinder set battery operated with blue LED light you can easily not only see amount of salt and pepper you put in your food but aslo see the storage area clearly Accurately season your food Adjustable Coarseness Turn the grinder knob at the top part of the pepper mill to adjust the roughness according to your needed Rotate clockwise into fine particles and rotate counterclockwise to grind into coarse particles Good kitchen gadgets Safety Design Considering the safety of use our salt and pepper grinder set added an ONOFF button to prevent wrong opening During the grinding process you can easily operate it with one hand It can be used for kitchen restaurant outdoor barbecue or camping Easy to Clean Simple Deluxe electric pepper and salt grinder designs a 85ML convenient sideopening storage that allows for easy cleaning with a brush NOTE DO NOT use water to wash to protect the motor from damage