A control and detection system for control of an object connected to the system, and for detection of object location in case of disappearance, theft or shifting of object, whereby the system has communication from each object at least to one data receiving device (3), (6) and from there data transmission (7) to the control unit. The system comprises an active short range transmitter that can be activated for function, furnished with a code of its own and placed in an object in the control area, a safety module monitoring the presence of the transmitter placed in an object in the area and/or detects a sender arriving to the area, base station of communication with connection to the control centre and the safety module.