Impact detector with auxiliary input via radio for the PowerMaster system. It offers perimeter protection for residential and commercial installations. Coverage of 4 m in windows, 3.5 m in wood and 2.5 m in brick and concrete walls. It fits most windows and doors, including those made of wood, metal and PVC. It can also be used on walls and ceilings. The advanced digital processing detector uses a piezoelectric shock sensor to detect and accurately analyze flagrant attacks or a series of low level knocks, ignoring background vibrations, the main cause of false alarms.