The SL4848-VR-D is a SOLO STANDARD temperature controller featuring 1/16 DIN size with 2-line LED display. It supports RTD or thermocouple input, operates at 24 VDC, and provides multiple output options including 5A SPST relay and (2) 3A SPST relays. The controller also offers 11-15 VDC pulse output and RS-485 communication capability.