The only thing that is positive at these walkie talkies, is only the appearance, nothing more. No wonder that my son said immediately after the first start: who are stupid, I do not like .. 1. after the appliance do hear permanent pesky noises ... all the time ... 2. reach a maximum of one room to the next (with open door) and not in a clear sound quality, but with the foreground noise, yeah, right, the voice you're looking behind the noise .... I have to say, by the open door I can understand my son so without walkie talkie. NOT BUY recommendation. Not even given one would like to have.