Door & Window Sensor-赛特威尔

Door & Window Sensor

Product

Product Overview

Key Specifications

Usage Scenarios

Why Siterwell

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GS325M

Door & Window Sensor

The GS325M is an advanced smart door and window detector featuring a built-in Tuya TS24-U module that supports the universal Matter over Thread protocol. Designed to seamlessly integrate into any modern smart home ecosystem, it utilizes a professional reed switch sensor to monitor the open or closed status of your doors, windows, or cabinets. Powered by two standard AAA batteries, it delivers an impressive 2-year battery life with highly optimized power management.

Bullet Points

Matter over Thread Technology

Built with the advanced Tuya TS24-U module, supporting the universal Matter over Thread protocol for seamless interoperability across different smart home ecosystems without being locked into a single brand.

Real-Time Status Monitoring

Equipped with a professional reed switch sensor that instantly detects when a door or window is opened or closed, pushing real-time notifications directly to your smartphone.

2-Year Battery Life

Powered by two standard AAA (3V) batteries with highly optimized power management, delivering up to 2 years of reliable operation based on 20 open/close cycles per day.

Low Battery Warning

Intelligently monitors its power level and proactively pushes a low battery alert to your APP, ensuring you have ample time to replace the batteries before they run out.

High-Sensitivity Detection

Features a precise trigger distance of greater than 8mm between the mainframe and the magnet, guaranteeing reliable activation every time the door or window is slightly separated.

Damage-Free Mounting

Comes with high-quality 3M double-sided tape for a quick, drill-free installation—just peel and stick it to any door, window, or cabinet, and it is ready to use.

Key Specifications

Power Supply	2x AAA (3.0V) batteries
Standby Current	< 20μA
Trigger Current	Max 60mA
Battery Life	2 Years (20 open/close cycles per day)
Wireless Technology	Matter over Thread
Wireless Frequency	2.4GHz
Trigger Distance	> 8mm
Operating Temperature	0°C to 50°C
Humidity Range	10% - 90% RH (non-condensing)
Installation Method	3M adhesive tape
Compliance Standard	SGS CE (RED, EMC/LVD EN62368-1), RoHS, CSA Matter

Usage Scenarios

Main Door Security

Ideal for monitoring the main entrance of your home, providing instant alerts on your smartphone whenever the door is opened unexpectedly.

Window Protection

Perfect for ground-floor windows or accessible balconies, ensuring you are immediately notified if a window is breached while you are away or asleep.

Cabinet & Safe Monitoring

Can be discreetly installed on medicine cabinets, safes, or drawers containing valuables, keeping sensitive items secure from unauthorized access.

Home Entry

Windows

Valuables

Why Siterwell

With over a decade of expertise in IoT and safety technology, Siterwell partners with businesses worldwide to create smarter, safer living environments.

Backed by strong R&D capability, global certifications, and a 56,000 m² production base, we deliver both innovation and reliable large-scale manufacturing.
From award-winning designs to proven global delivery across Asia, Europe, and the US, we focus on building long-term partnerships that drive mutual growth and success.