Who the electro-thought does not matter so much, for this alternative is the baby monitor secure something. We had a front Videobabyphon of Avent, whose scope, however, was rather poor (they did not even handed in the next floor). By contrast, it sends properly, becoming the security standard that provides a device you as a parent to such full justice. Whether it is really up to 5 km, we did not try, but so far it has hardly ever receiving lost.
