the Gigaset element of weight here so light that it feels like a dummy. It is easy to assemble and to connect to the system. It can be mounted discretely by its unobtrusive shape and color into any wall outlet. And last but not least, it works very well and is convincing. For burglary attempt the alarm goes off immediately. What I's criticisms, is that you can determine neither the tone nor the volume level of the siren. When she gets going, I'm in your ears hurt correctly.