I have just recently become a distributor for the EnOcean switches from Germany. I researched it heavily before becoming involved with these guys. The company is owned by Siemens, one of the largest corporations in the world and the light switches are only a small percentage of where this technology is being used. I sat with the VP here about 2 weeks ago and went over their uses. the growth is outstanding and I have used these prior to becoming a distibutor, they really do work great! for log homes there really isn't a better way. you only need to route and drill the logs for outlets, which can also easily be mounted in the floors. all the switches can be surface mounted right on the log, without a box or a cut in the logs. Just get the power to the fixture from an interior wall and you are set. I am a contractor in Utah and have done cabins here as well as Idaho and Colorado. if anyone else has used these please let me know your thoughts.