101 Single Relay Digital Access Control Keypad with Proxy RFID Tags EM Card Read Stand Alone Electric Lock in Access Control w 1,000 User PINs and/or Cards 50 Visitor Codes for Output 1, Programmable for One Time; or Valid for 1 to 99 Hours Over 100 Million Combinations for User PINs Card Reader Compatible with All The Standard 125Khz Proximity EM Cards & Key fobs Extremely Long Programmable Timer for Output Relay; 1 Second to Over 24 Hours