Rechargeable Electric Pepper Grinder:Powered by 500mAh rechargeable battery,after 3 hours fully charged,each of pepper grinder supports up to 200-300 times usage. Upgraded charging base allow your convenient and eco-friendly wireless charging. No more purchasing extra batteries. Adjustable Grinding Levels:Simply rotate the bottom core clockwise to get fine particles and rotate counterclockwise to grind into coarse particles. You can quickly adjust the different grinding levels of coarseness according to your preference. One Hand Operation:Made of durable,non-toxic,safe stainless steel and ABS material,ensure you long lasting service life. One hand easy operation,you just need to press and hold the power button. Definitely a practical tool to free your hands,save more effort and time to do other kitchen tasks. Visible Design:Bright white LED indicator will automatically turn on while working,help you to avoid over-seasoning your food with too much salt or pepper at night or in the darkness. The visible window help you to clearly know the remaining pepper. Wide Applications:This electric grinder is suitable for pepper,salt and other solid grain seasonings. An ideal helper for kitchens,restaurants,parties and outdoor picnics. Take it to enjoy delicious and fresh salt and pepper!