住警器
Meanings
1
abbreviation
Abbreviation of 住宅用火災警報器 (residential fire alarm). Used in product names, safety guidelines, and everyday conversation about home fire safety.
See also: 住宅用火災警報器 (じゅうたくようかさいけいほうき)
I replaced the battery in the smoke detector because it ran out.
Installation of smoke alarms is mandatory in this apartment building.