WiFi Door Magnetic Sensor Alarm: 100dB Acousto-Optic Alarm for Smart Home Security

This WiFi door magnetic sensor alarm is designed as a component for smart home control systems, providing an instant audible and visual alert when a monitored door or window is opened. Operating on a 2.4GHz wireless network, it integrates into your existing home security setup without complex wiring. The device draws power from a standard DC3V source, making it suitable for a wide range of domestic and light commercial environments. Its primary function is to serve as a deterrent and notification tool, delivering a sharp 100dB alarm sound to signal unauthorised access attempts.

Features and Construction

This product combines straightforward magnetic contact sensing with wireless connectivity and a dual-alert system. It is built to be a practical, add-on security layer rather than a standalone comprehensive system.

Material and Build

The alarm unit is housed in plastic, containing the electronic components for WiFi communication and sound generation. It pairs with a separate magnetic contact, which is typically installed on the moving part of a door or window. The construction focuses on the core functions of detection and alerting without extraneous features.

Size and Practical Fit

While exact physical dimensions are not specified, the product is designed as a compact sensor unit that can be discreetly mounted on or near entry points. Its installation is intended to be straightforward, relying on the magnetic contact gap to trigger the alarm. The small form factor suggests it is suitable for standard door and window frames without being obtrusive.

Uses and Placement

This sensor is a versatile tool for enhancing perimeter security in various settings. Its wireless nature offers flexibility in placement, avoiding the limitations of hardwired systems.

Event or Professional Use

For temporary security needs, such as during events or in vacant properties, this portable alarm can be quickly deployed on vulnerable entry points. The loud 100dB alarm provides an immediate deterrent, and its WiFi capability allows for remote monitoring alerts if integrated with a compatible smart hub or notification system.

Everyday Home Use

In a residential setting, it can be installed on patio doors, ground-floor windows, or garage entry points. It adds an extra layer of security to a smart home ecosystem, providing peace of mind by alerting homeowners to openings when the system is armed, whether they are at home or away.

Benefits and Buying Value

The value of this sensor lies in its specific function and integration potential. It addresses the core need for entry-point monitoring with clear, source-supported technical capabilities.

Reuse and Low Maintenance

The device is designed for continuous use, drawing minimal power with a static current of ≤120 μA, which can contribute to longer battery life if battery-powered. Its simple design, with no moving mechanical parts in the main unit, suggests a focus on reliability with minimal required maintenance beyond ensuring a stable power and WiFi connection.

Why Choose This Product

This product is a defined solution for a specific security gap: monitoring door and window openings. It is suited for users seeking to add a wireless, audible alarm component to their security measures. The concrete specifications—100dB sound, 2.4GHz WiFi, DC3V operation—provide a clear picture of its capabilities, allowing for an informed purchase based on matching these specs to your home network and power setup.