Samsung SDS EZON SHS-DARCX01 Remote Controller for EZON Door Locks with Module Type Wireless Controller Size 9.3 x 4.4 (mm) Weight approx. 35g ( Excluded Battery ) SHS-5011,5021,5120,5230,6020,DL52,5110,710,717,810,718,910 Composition: Remote controller Body + module