Description : Electric Control Access Anti-theft Lock XJL-SJ101 For Video Door Bell Etc Dimension : 126 x 105 x 36mm Input Voltage : 9-12V Application Methods : Electricity Lock Working Life : More Than 200000 Times With keyhole : can open the lock with key or access system. Without keyhole : can only open the lock with access system. Package includes : 1 x Electric Lock body 1 x Electric Lock core 3 x Keys (With keyhole) 1 x Pack of screws 1 x User manual in English Details pictures :