This product is intelligent libration intruded detector. It adopted advanced with analysing and processing signals, insuring the stabtechnology ility of products on the design. The engine libration will trigger alarm of the detector when the intruder damage the building and other equipments by instruments. it is same with storeroom made by armored concrete,brick ere. it is also same with fence and ATM machine and other equipment for defending etc., it is effective to keep the bursary,arms and magazine,museum and other equipments from chisel and stiletto.