• Ultra-Loud 120dB Alert System: When activated, this door stopper alarm emits a piercing 120dB siren upon detecting door pressure, instantly alerting occupants and deterring intruders. Ideal for homes, hotels, and solo travelers seeking added security.
  • Dual-Function Non-S Wedge: In "off" mode, it serves as a sturdy rubber door stopper to hold doors open silently. The -slip base ensures stability on tile or hardwood floors without accidental triggering.
  • Tool-Free Installation & Adjustable Sensitivity: Requires no wiring—simply place under the door (10-35mm gap). Three sensitivity levels (Low/Medium/High) cater to different floor types; H-level reacts to subtle vibions for maximum security.
  • Battery-Powered Portability: Opees on one 9V battery (not included). The alarm’s sound fading indicates low battery. Compact (120g each) and travel-friendly, perfect for dorm rooms, front doors, or temporary stays.
  • Multi-Scenario Protection: Includes two alarms for versatile use in bedrooms, apartments, or offices. Provides peace of mind during solo trips or late-night work with its loud, attention-grabbing siren.