You do have the option of buying just the "Home Alarm" Wi-Fi hub, siren, door/window sensor and key fob kit for $279/£249 or just the security camera for $199/£169, although you need all of ...

Improve security with a cost-effective EA-708 door prop alarm from SDC. All of SDC's door prop alarms feature audible sirens with adjustable timer settings, two outputs, bypass status indicator ...

2.A wedge doorstop alarm with an *extremely* loud 120-decibel siren that'll sound should anyone try to force open your door. If you have trouble sleeping in unfamiliar hotel rooms or Airbnbs, this ...

This simple Door Chime protects the door and gives a loud Alarm tone when there is an attempt of theft. The circuit is too simple and battery operated. A Normally Closed (NC) reed switch and magnet is ...

The alarm allows a parent to record a personalized message that calls the child’s name to alert the child of a fire. The 15-second message is replayed, alternating with the siren sound.