Innovative Gravity Automatic Switch- With Gravity Sensor inside,It can be switch on/off automatically just by tilting the machine downward/upward.Super easy to use only by one hand and get fresh milled spices in no time. ( 6*AAA batteries required foreach machine ) Effective Adjustable Coarseness- Produce a distinct and uniform grind, from very fine to coarse. It that can be adjusted easily via a rotating knob at the top of the mill. Whether you want crunchy flecks of pungent pepper,or you want a smooth grindthat blends well with salt and disappears into a dish. Easy to Refill and Clean - Large opening means that it's easy to pour peppercorns in without spillage or the use of a funnel. Detachable design will ease to clean. It also comes with a little brush which removes the residues in the corner of the machine. High Quality Materials- Brushed stainless steel make the product more advanced. Transparent acrylic container helps you know when need to add the spices,don't need to open it to check. Durable ceramic blade will last longer,grinding off layers of seasoningto produce a complete flavor. Romantic Blue LED Light- The LED light will turn on automatically when you use the machine.It illuminates the food to help you know how much spices you grinded. The blue light like sea brings the fun and freshness when cooking,making you feel like afamous chef in your own kitchen.