Basic alarm but an excellent price

to judge the effectiveness of such a system, you just know that today hardly anyone reacts when a siren sounds better is thus worth being aware and act accordingly ... on the other hand the absence of camera can be largely offset by the acquisition of a wireless camera first base (about 30-40 euros) than enough to verify the existence of a genuine alarm finally smartphone information by email poses no problem you only actually parametrer smartphone to sound an alarm specific (police siren in my case) to be sure not to miss ...