KERUI Wireless Door Sensor Alarm for Home Windows and Doors

Keep an eye on doors and windows with a simple alarm that sounds when they open.

It works on its own, so you do not need a full alarm system to get started.

Simple protection for everyday entry points

✅ Sound an alert when a door or window opens

✅ Use it without a separate alarm system

✅ Add awareness to home entrances and windows

✅ Get a clear 90dB alarm for quick attention

✅ Set up a basic security layer without extra complexity

✅ Keep watch over home access points with less effort

✅ Use a battery independent opening magnetic sensor for standalone use

This sensor fits everyday spaces where quick awareness matters. Place it on a door or window and let it alert you when the opening breaks contact. That simple response can make it easier to notice movement around your home.

Because it does not require an alarm system, it gives you a direct way to add protection without building a larger setup. That makes it a practical choice for houses and other areas where you want a straightforward alert.

The design keeps things simple. You get a wireless security alarm with a clear sound and a magnetic opening trigger, built for quick notice at the point of entry.

Choose a straightforward alarm that makes doors and windows easier to monitor.