Seco-Larm Enforcer SK-1011-SDQ Access Keypad for Security and Access Control Applications. The SK-1011-SDQ is stainless steel, stores up to a 1050 unique 4-8 digit codes, 10,000 possible user code combinations, and integrates with most access control and security systems.
The SK-1011-SDQ includes a relay that is perfect for electronic door strikes, door alarms, door chimes, alarm control panels, or other security and access control application for easy remote access. 
Features:
 - 1 Output: Form C relay output (1A@30VDC)
 
- 1050 unique 4-8 digit codes, 10,000 possible user code combinations
 
- Stainless-steel face, durable and attractive
 
- Easily delete individual codes
 
- Programmable lockout after 5-10 unsuccessful attempts to key in code
 
- Output relay activation buzzer (programmable): Sounds while the output relay is activated
 
- Relay output inhibit control
 
- Auto or manual code entry checking: 
 
- Auto mode: All codes have the same number of digits, no # key required after each code
 
- Manual mode: Codes can vary in number of digits, # key must be pressed after every code
 
 
- Egress input: Lets users exit the protected premises without keying in the code
 
- Built-in tamper (N.C.) circuit
 
- EEPROM memory: Prevents data loss
 
- Power: 12~24V AC/DC