Abstract: The invention relates to a device comprising means for the remote transmission of an active control signal for triggering alarm means (2, 10), for a person looking after a child. Said alarm control signal is generated by the control of sensor means which are sensitive to the spatial orientation of a plate mounted in a support (1) to be fixed to the clothing of the child to be watched. The support (1) is fixed to the navel of the child in such a way that the signal triggering the alarm means is automatically generated when the sensor means detect a variation in the orientation of the plate which is higher than a pre-determined threshold. The support (1) is arranged in a remote unit which paralyses the alarm means.