About this item 【GRAVITY SENSING】When the battery is installed, fill the grinder with salt or pepper, and the grinder will start working downright. Position it upright and stop working. Easy to use and turn off. 【ADJUSTABLE COARSENESS】 Adjust the coarseness you like by simply turning the knob on the top of the grinder. Turn left to Coarse, turn right to Fine. 【LED LIGHTS】When the grinder is operating, lights turn on automatically. It can help you see the landing of spices and the amount you put in your food. 【WIDELY USE】Our grinder is a good helper for kitchens, restaurants, parties and outdoor picnics. You can use it to mill salt, pepper, sesame or any granular seasoning, and enjoy the freshest flavor. 【BATTERY POWERED】It is more convenient than the traditional grinder. The grinder is powered by 6 AAA batteries (not included in the package), convenient and fast. Please take out the batteries if you don't use it for a long time. 【AFTE-SELL GUARANTEE】LaGoldoo pepper mill set provides 100% after-sales guarantee. You can request a replacement if it is broken within 1 year. If you have any other questions, please contact us via Amazon message. We will give you a satisfactory reply within 12 hours.