Door Security Product Types
- Door Jammers & Stoppers — Wedge under inward-opening doors to prevent forced entry even when locks fail. Portable for travel and rentals.
- Door Knob Alarms — Hang on door knob, sound 120dB siren when knob is turned. No installation required.
- Door Vibration Alarms — Detect vibration when door is touched, opened, or forced. Adhesive mounting on door or frame.
- Contact Sensors — Magnetic sensors sound alarm when door opens. Works on doors, windows, cabinets, and drawers.
- Guardian Angel Home Defender — Door-mounted pepper spray fogger that automatically deploys when door opens. Professional-grade home defense.
Best Uses
- Front & Back Doors — Layer jammers and alarms for dual protection at primary entry points
- Bedroom Doors — Door knob alarms for personal safety while sleeping
- Hotel Rooms — Portable door jammers for travel security
- Dorm Rooms — Non-permanent student housing protection
- Sliding Doors — Use contact sensors (jammers don't work on sliding doors)
- Vacation Homes — Alert to entry when property is unoccupied
Door Security Tips
- Layer security — combine a door jammer with an alarm for comprehensive protection
- Door jammers work on inward-opening doors only
- Test alarms monthly to ensure battery function
- Most devices use AAA or 9V batteries — check product descriptions
Why Buy from TBOTECH?
- Free shipping on orders over $50
- 90-day satisfaction guarantee
- Renter-friendly — no permanent installation required
Questions about which door security device is right for your situation? Contact us.