Magnetic window alarm sensor

Choose based on loudness, mounting method, and how many entry points you want to protect. You will find models ranging from a slim, battery‑operated 90dB unit to a stronger 120dB wireless model, plus kits that cover multiple doors or windows. For renters or temporary spaces, adhesive mounting and wireless design are ideal, and multi‑pack options (3‑pack or 6‑pack) let you secure several entry points in homes, apartments, or offices.

Loudness directly affects how quickly and clearly you’ll notice an alert. A 120dB system is described as powerful for theft deterrence and can wake occupants in larger spaces, while a 90dB option still delivers a strong audible cue suitable for smaller rooms or compact living areas.

Yes, many models use an adhesive backing for quick mounting and require no drilling or professional tools. This makes them particularly suitable for renters and for temporary setups where permanent installation is not desired.

Yes, there are multi‑pack formats available, including 3‑pack and 6‑pack options, designed to secure several doors or windows simultaneously and simplify whole‑space protection.

Power is typically battery operated, with some models indicating battery status to prompt timely replacement. For example, certain units include a low‑battery indicator to help you keep the protection active without interruptions.

They are suitable for homes, apartments, offices, dormitories, storage rooms, and temporary installations, offering flexible protection across various environments with easy, non‑invasive mounting.