Stainless steel pepper mill operated by 6AAA batteries,It works great on peppercorns and sea salt.can Adjust pepper mill for coarse or fine ,simply tighten or loosen the knob under the mill Mini light under the mill with cover protected Triangle type,new model Materials: stainless steel, acrylic, ceramic grinder Size: 52 x 205mm Weight: 330g Packing Information: corrugated paper box Outer carton size: 350 x 240 x 220mm / 24 pcs G.W.: 9.5kgs N.W.: 8.0kgs Certificates :CE,ROHS,LMBG