Yes, it is for real and is linked to the active protection sensor's. There are a few other videos out there in reference to this. Don't think you can buy it as a gadget it's more of a hack. you have to wonder how much beating before the thing breaks too.
I've got a W530 with a color sensor and I can't get it to work. The main utility wants me to run the SensorReplacementUtility.exe, which then throws...