4 Available programmable access modes for all 3 outputs: card only, code only, card and common user code, card and unique user code.1,100 Users over 2 Outputs. Codes may be 4~8 digits: - Output #1 – Form C relay, 1A@30VDC, 1,000 users - Output #2 – Form C relay, 1A@30VDC, 100 users.Outputs can be programmed to activate for up to 99,999 seconds (nearly 28 hours).