Comment by larrybolt

It's not the box, but a small plastic enclosure with some very cheap electronics (I believe they even used a led as a light sensor) and the battery lasts very very long. I wouldn't know on the impact of that on the ecology though. When it comes to recycling I remember from long long ago that PCB's have a pretty large ecological footprint, but than again, it's not part of the packaging, so it can be easily taken out and used for other purposes!