Cole & Mason H90180PUSA Richmond Electric Salt and Pepper Grinder Set-Stainless Steel Electronic Mills Include Gift Box and Gourmet Precision Mechanisms, Metallic Easy to use, one handed salt and pepper mills, simply press the button on top Spring loaded mechanism allows for a custom, easy adjustment between fine and coarse grinds Easily fill the large grinding chamber by twisting the body and removing the base Precision mechanism has a lifetime guarantee Requires 6 AAA batteries, not included. {NOTE: USE ALKALINE BATTERIES FOR BETTER CHARGE}