Easy to Carry- These portable automatic grinders keep them within reach and can be easily moved around the kitchen. Take them camping, picnics, or even barbecues. LED LIGHT AND BATTERY POWERED- The LED light shows exactly how much spice you have, even in dark environments. Powered by 6 AA batteries (batteries not included) Adjustable Grinding Coarseness- With an adjustable coarseness mechanism, you can choose the coarseness from superfine to coarse. Simply twist in the bottom of the salt and pepper grinder to achieve the desired roughness. One-touch operation- Just press the button of the electric pepper grinder and it will start grinding automatically. Fast and efficient. Wide Applications- Suitable for grinding small spices such as pepper, corn, mustard seeds, salt rocks, sea salt crystals, dried herbs or spices. Perfect gift for housewarming, wedding, holiday, birthday.