Seismic detector for the protection of solid structures, such as vaults, vault doors, safes, walls, etc. Coverage radius from 1 to 14 m, depending on the medium. Detects alarms produced by hammers, drills, explosions, thermal lances, hydraulic pressure tools. Adjustable sensitivity Multiple anti-sabotage protections. Possibility of remote testing. Surface or recessed mounting. Power supply of 9-15 Vcc. Consumption: 8.6 mA. Dimensions: 100 x 80 x 33 mm.