The 972 safe protector is uniquely designed to safeguard metal and concrete enclosures in high security areas. It can be used to protect safes, metallic doors, cabinets or cash boxes, as well as concrete wall of bank depositories. The Posonic 972 Safe Protector contains a high frequency sensor monitoring the protected surface. This sensor will detect any attempts to drill, cut, hammer or weld the surface using any type of tool. For installations where high level security protection is required, the Posonic Safe Protector is your best choice.