The Cosmotron VVS300 / VVS320 is a seismic, or structural vibration detector designed to detect attemps to break into vaults, vault doors, safes, and other reinforced areas such as data storage and filing cabinets.
Included in the detector, is a full-scale tamper protection and internal test system. It also features adjustable sensitivity settings and extremely low current draw, nominal 8.6 mA.