The CAST Perimeter® Lighting DC Astronomical Input Transformer is a low voltage perimeter lighting 1200 Watt power supply designed to operate on a set program, or as part of an automated lighting solution to deter threats. Two zone, dry contact closure (NO/NC) interfaces with third-party intrusion detection solutions to turn on/off lights, Integrate with 3rd party perimeter detection systems using dry contact signals from cameras, motion, radar, laser, etc. to turn on/off lights to automatically activate, surprise, and disorient intruders, Customized GPS on/off dusk to dawn control.