BRAND: KEYSCAN-DORMAKABA# MODEL: CA4500M# # 4” CONTROLLER, READERS /KEYSCAN / 90,000 CARDS /DOUBLE PROCESSOR / +50 FORMATS, COMPATIBILITIES# # SUPPORTS UP TO 4 READERS. # READER PORTS: 4., CAPACITY UP TO 90,000 CARDS.# COMPATIBLE WITH WIEGAND READERS.# INCLUDES SYSTEM STATUS LED, DUAL PROCESSORS,, FLASH MEMORY AND POWER FAILURE OUTPUT., # DOOR CONTACT INPUTS: 4# AUXILIARY INPUTS: 16# AUXILIARY OUTPUTS: 4# INCLUDES DPS-15 POWER SUPPLY., INCLUDES DPS-15 POWER SUPPLY: 12VDC, 1.2A#., DC, 1.2A#.