Air freshener dispensers Model Number : HDT-2 Material : ABS Dimension : 115(W)*85(H)*215(H)/mm Battery : operates for approximately three months This Automatic Air Freshener is battery operated the unit releases a spray of fragrance at intervals of 7, 15 or 30mins Alkaline batteries recommended. two "AA" batteries Longer-lasting battery life = 3 months or 4 months use 1. modes of operation =Day/night sensor 30pcs/box -Minimum order quantity : 100box -.Qty per Carton:30PCS N.W/G.W:11.1kg/13kg /box -.0.370kg/pc -.Loading Qty::12,000pcs/20FT . 25,500pcs/ 40FT For more information for your reference, please visit our website to following http://catalog.kita.org/cho7265