Automatic soap dispenser GS506GZ1(soap) GS506GZ2(soap) 1,Touchless infra-red sensor operation. 2,Both liquid and foam soap are available. 3,Equip with non-drop valve. 4,Bottle capacity: 1800ml(refillable). 5,4-level soap dispense adjustment. 6,Three power supplies options: DC(4XAA),AC,AC+DC. 7, AA and DD Alkaline battery are available (4 pcs ). 8,Advanced IR technology and structure. 9,CE approval, 2 years guarantee. 10,Easy installation ,user-friendly. GS506GZ3(soap) Automatic foam dispenser GS506GZ16(foam) GS506GZ4(soap) GS506GZ12(soap)