Portable Alarm Siren

The portable siren clamps to a rail and turns unauthorized movement into everybody's problem. A pull pin starts the horn and strobe; a keyed cap silences it. Store it charged with the horn covered, unless accidental tests are how the crew prefers to meet. The unit smells of rubber gasket and battery plastic, ordinary working security with no pretense of subtlety. It attracts witnesses and drives intruders off simple jobs. In vacuum, behind soundproof bulkheads, or among a crew trained to ignore nuisance alarms, the light does most of the work. Boltward sells Portable Alarm Siren from the legal front shelves, records the serial, and keeps bypass parts under a different key. The hardware is meant to delay trouble and preserve evidence—not grant the owner magical authority over a corridor.