FOXCMR 1 signalling oppening a door or a window in protected structure sensor FOX CMR 1 cooperates with alarm systems FOX with variable codes. FOX CMR 1 can be used as a radio transmitter cooperating with wiring sensors. The cooperation makes that wiring sensors can comunicate with alarm system with radio waves. FOX CMR 1 is equiped with sensivity adjusment of wiring sensors. FOX CMR 1 cooperates with FOX car alarm system makes it alarming when somebpdy brakes into garage.