alarm security bar

Adjustable security/door bars cover a wide range of lengths depending on the model. Example listings show adjustability from as short as 19" up to 51", with many common ranges around 28"–45".

Ratings vary by model and listing, but example force/weight figures cited include about 250 lb, 350 lb, and 400 lb of resistance. Listings typically present these as approximate performance numbers rather than standardized test ratings.

Listings indicate these bars are made for hinged doors, sliding/patio doors, and windows. Several descriptions note compatibility with most standard door types, though specific fit depends on the model and adjustable range.

Several listings describe collapsible or compact designs intended for storage and travel, noting they are portable and easy to carry for temporary use in hotels or on vacation.

Alarm‑equipped door jammers are described as very loud; for example, one listing specifies an ear‑piercing 120 dB alarm designed to alert occupants and deter forced entry.

Length ranges vary by model and application. Example listings show hinged‑door lengths around 28.5" to 45" and sliding‑door lengths around 25" to 41.5", though other products list different adjustable ranges. Check the specific model’s stated range for exact fit.