Single-family kit consisting of Quadra series entrance panel art. 4893M and 4.3" People series hands-free door entry monitor art. PL6721, Simplebus 2 system. The entrance panel is supplied with call buttons to expand the kit for up to 4 residences. The system can also be expanded with additional door entry monitors and entrance panels (available to purchase separately), for further information please refer to the technical documentation. The kit is supplied pre-programmed, ready to use and with all the accessories required to create the system. Suitable for installation in homes, commercial properties or offices.