Salt and Pepper Grinder, Nuvita 2 in 1 Electric Salt and Pepper Grinder Set with Adjustable Grind STAINLESS STEEL BODY Uses 6 AAA Batteries for no wires convenience (Battery not included). As it states in the directions, on first use, in order to polish the blades, be sure to only use a minimal amount of salt and peppercorns EASY FIX After first use, gradually add more salt and peppercorns in to the chamber. Should there be a jam at any time use alternate S or P button to unjam. EASILY ADJUSTABLE from fine to course grinders, automatic adjust to your liking ELECTRIC Automatic Sea Salt and Pepper Mill!