Single Display Retransmission Controller works on an input power supply of 110/ 230V AC and is equipped with field selectable universal input. The Retransmission Controller has a digital calibration and comes with a dual relay output with dust protected tactile keys. The Retransmission Controller is a micro controller based system that comes with dimensions 96mmX96mmX120mm and has the facility of fully front key operations. Single Display Retransmission Controller remains in a weather proof and flame proof enclosure having a dark grey case colour.