Wireless Thermovelocimetric analogical Detector for MIW systems. The temperature compensation guarantee an efficient detection in lower and higher limits. Maintain bidirectional communication with wireless interface and transmits the analogical valued and the central status, occupying a direction in the loop detector. Provides a bicolor LED that gives a 360º visibility. Includes a connection base and two lithium batteries of 3 volts. Quick, simple and economic installation, with different colors possibility and finishing touch.