Hagen door alarm - Material and durability: Made from ABS material, lightweight, rust-proof and durable for everyday use. - Sensor and function: Door handle alarm sensor with a touch sensor. When installed on doors or windows in home, office or factory, the alarm sounds immediately when children open doors or windows or when an entry attempt is made. - Loud alert: 120 dB ultra loud alarm rings to quickly grab attention and deter intruders. - Quality and value: Portable door handle alarm, 100% brand new and of excellent quality. - Practical use scenarios: - Home safety: install on entry doors or windows to monitor access and alert you to door activity around children. - Office security: protect workspaces by sounding an alarm if doors are opened after hours or during suspicious access. - Small business or factory: secure storerooms or inventory areas, providing rapid notification of breaches.