After seeing this same LaCrosse Projection Weather Station at our daughter's home, we decided to buy one. We were not able to locate a retailer who carried this in stock. Then it appeared at Overstock .com and I jumped on it. The instructions are clear and correct, but must be followed carefully in a specific sequence in order to get the outdoor sensor and the indoor receiver to communicate. Once set-up it operates without further input, unless you wish to use the alarm features (there are two alarms). The reason I so liked this model is that it continuously projects the time and outside temperature on the ceiling in sharp, clear red light that is easy to read, yet not bright enough to disturb sleep. The projection is not visible during the daytime or in a lighted room, however all information is shown on an LCD screen, including inside and outside humidity and a figure (human) forecasting weather based upon recent trends. Hat and scarf for really cold weather, umbrella for wet weather, and sunglasses and swimsuit for a hot day. This item replaces another brand projection weather station that lit our bedroom and frequently interrupted our sleep. Buy it and enjoy.