It's a stand alone single door access controller with built in EM ID proximity card reader. Cards can be managed by master card or IR keypad or by PC software. 

Features: 
Built in EM format proximity card reader module. 
Master cards are used for adding or deleting card, can be built by user. 
Door open modes: Prox. + Push button. 
Can use the IR remote control to control the door. 
Cards can be managed by master card or IR remote control. 

Specifications: 
Input Power: DC 12V 
Working Current: Less than 70mA 
Standby Current: Less than 45mA 
Reading Distance: Up to 8cm 
Capacity: 1000 User 
Door Open Modes: Prox. + Push Button 
External Reader and External IR Keypad 
Wiring of Cable: 
Red: +12V 
Black: Ground 
Yellow: Push Button 
White: D1 (for external wiegand26 reader) 
Green: D0 (for external wiegand26 reader) 
Blue: NO 
Purple: COM 
Gray: NC 
Temperature: -10-70°C 
Humidity: 10%-90% 
Host Size: Approx. 120 * 44 * 22mm / 4.72 * 1.73 * 0.87in  
Host Weight: 124g / 4.37oz 
Power of Remote Control: 1 * CR2025 Button Battery (NOT included) 
Size of Remote Control: 85 * 40 * 6mm / 3.35 * 1.57 * 0.24in 
Weight of Remote Control: 14g / 0.5oz 
Package Size: 14 * 9 * 4cm / 5.51 * 3.54 * 1.57in 
Package Weight: 254g / 8.98oz 

Package List: 
1 * Access Controller 
1 * IR Remote Control 
1 * Bag of Screws 
2 * Master Cards 
10 * Cards 
1 * User Manual (English)