* Pure Zinc alloy case 
* waterproof 
* Perfect digital backlit key 
* Add and delete card user quickly With Manager cards 
* Input Voltage AC/DC 12V 
* Idle Current<25mA 
* a standalone for two doors, support card, pin, card+pin access way. 
* 2 relays to control 2 doors and supports up to 2000 users in total. 
* Supports 1 Master code, 2 Manager card, 2 Anti-duress Card users and 2 Anti-duress PIN users. 
* working mode: 
1. Wiegand Reader, 
2. Standalone for single door, 
3. standalone for two doors, 
4. with external reader for two doors 
5. two units interlocked for two doors, 
6. Anti-passback for single door & two-door.