1. Size: A1: 11.7x7.5x2cm; A2: 10x10x2cm; A3: 11.7x7.5x2cm
2. Storage capacity: 1000 cards
3. The management card can be set to add and delete cards
4. 3-6 digits door open password can be set
5. A1 / A2: physical buttons
6. A3: Touch button
7. This product is an access control all-in-one machine with non-contact induction card and password for access control. It is simple to use and reliable in performance. It supports swipe to open the door, password to open the door, and card plus password to open the door. Group-to-ground signal PUSH (low level), one set of exit button interface, one set of doorbell interface