Proximity Entry System, Type Fully Integrated PC Managed Single Door Access System with A Stand Alone Proximity Reader and Keypad, Switch Action SPDT Form C Relay or Wiegand Compatible, Material Plastic Housing, Finish Painted, Depth 1 3/8 in, Height 5 1/4 in, Width 2 3/4 in, Button Color Black, Color Black, Input Voltage 12V DC, Output Main Relay: Form C 4A SPDT, Auxiliary Relay: Form C 1A SPDT, Amps AC 55mA, Operating Temp. -31 Degrees to 150 Degrees F, Event Audit Trail No