An apparatuses, methods and systems for providing user control of an environmental parameter of a structure are disclosed. One method includes configuring a one or more units of the lighting system, establishing a local line-of-sight communication link between a user device and at least one sensor unit of the one or more sensor units, receiving, by the at least one sensor unit, a request from the user device, the at least one sensor unit propagating the request to a controller of the lighting system, the controller responding to the request with an operational change of a device associated with the at least one sensor unit, and the at least one sensor unit or the device associated with the at least one sensor unit providing an observable indicator to the user that the request has been addressed.