... Lock, Electric Bolt Lock, Electric Control Lock,Access Controller, Access Control Board, Access Reader, Fingerprint Products), Video Door Phone, ... and the Middle East.Single Door with Double Directions Internet Control Board BTS-2001.net Features:1.Suitable for ... , remotion, chokey, police, etc. 2.Single door with double directions control 3.Card capacity: 20000pcs4.Offline memory records: 1000005 ...