1.2000 users card,the case is stainless steel 2.Waterproof reader,keypad reader,Access control reader,Stand alone reader 1: Stand alone reader , access control reader,, Waterproof reader,keypad reader . proximity reader .EM 125kHz Access control proximity reader .2: 2000 users card , the case is stainless steel.3:8 sets of door opening passwords which can be set by user.www.socatech.com