Single-family kit consisting of Ultra flush-mounted entrance panel art. UT2020/4 and Logos monitor with handset art. LS8701, Simplebus 2 system. The entrance panel includes call button art. UT9211M. Up to 4 monitors per dwelling can be installed (purchased separately). Additional entrance panels can be added with optional accessories. The kit is supplied pre-programmed, ready to use and complete with all accessories required for installation. Suitable for residential, commercial or office applications.