Key Features - A smart light switch with six combo buttons module controllable by the Host Controller (PS500) - Check status and turn your light switch on and off from anywhere with PS APP or a web browser - Control your light switch via a schedule/rule set from the Host Controller - Control your home electrical devices through the six combo buttons and the Host Controller - Program each combo buttons to control a PS module, a group of PS modules at once, or execute a macro operation on a set of PS modules, from the Host Controller, through PS App or a web browser - Communicate with Host Controller via Bi-directional Radio Frequency data - Function as a RF repeater to form a RF Mesh Network that cover the whole home so that a combo Switch module does not need to communicate with the Host Controller directly but through other PS modules - Replace your existing wall switch - Work with the entire family of Grandex PS products - Install quickly and easily for Do-It-Yourselfers - Free downloadable PS App for Android and iOS