Electric Herb Grinder for Seasoning Spice By 18650 or 3 AAA Battery Powered,One Hand Operation Automatic Electronic Grinders By LGtrade,Black Easy to Use Powerful Battery Operated Grind fresh of dry wheat, herb, spice, seasoning, black pepper, black rice, green beans et. Material : zinc alloy and acrylic, Size: Approx 6.6 x 1.6 inch (Height x Diameter) Fast Grinder Material Powered By 3 x AAA or 1 x 18650 Batteries ( Not Included ) Refines pizza,soup,porridge for cooking and easy. Quick and Easy to Use. No More Sore wrists from manual grinding,good for people who suffer from wrist injuries such as carpal tunnel. Easy to Use : Hold handle while unscrewing the acrylic container cup, fill 1/3 of the cup. re-assemble the cup and handle, put battery box into grinder, once assembled securely, tighten the power switch, Pressing the tail switch start working, shake gently while holding the handle until the desired texture is achieved. Precautions : Keep out reach of children. Don't disassemble the chopping blade, sharp blades may cause injury. Never operate the grinders without the cup cover securly fastened, clean chopping blade to prevent rusting, Remove batteries before cleaning, to prevent possible injury. PLEASE NOTE : This product is exclusively sold by LGtrade. We've NOT authorized it to any other sellers.