EMX TRES 400 Defender BK is a 4 door TCP IP Ethernet access controller kit built to manage up to four access points from one controller. It supports standard 26 bit Wiegand with four Wiegand inputs and works with any 26 bit Wiegand readers, providing up to 500 ft maximum Wiegand distance for flexible wiring. The controller includes four NO NC relay outputs rated up to 10A, four request to exit inputs, and four door status inputs, with power and system status LEDs for diagnostics. This BK kit ships as a base kit with a lockable IP65 enclosure with a clear cover and a 12VDC 3A 35W power supply, with the PCB and power supply pre mounted for streamlined installation.