Wireless Door/Window Contact Sensor For Smart Alarm System - Smart intrusion detection for your security system—compact, wireless, and app-connected for reliable perimeter protection

The Wireless Door/Window Contact Sensor is a crucial component in any modern smart alarm system, offering real-time intrusion detection for your home, office, or shop. Designed with both functionality and simplicity in mind, this sensor helps secure your property's entry points by instantly detecting when a door or window is opened. The sleek, compact design blends into any interior, while its wireless capabilities and battery-powered operation make installation and integration fast and easy.

Once installed, this smart sensor works with your WiFi or Zigbee-compatible alarm system, sending immediate alerts to your smartphone via the Tuya Smart Life app whenever unauthorized access is detected. The sensor is composed of two parts: a transmitter and a magnetic contact. When the magnetic bond between the two is broken (such as when a door or window is opened), the system triggers an alert or alarm based on your configured settings.

This sensor is more than just a trigger—it’s a proactive guardian that helps keep you aware and in control. It plays a vital role in building a secure smart home ecosystem. Whether you’re at home, in the office, or away on vacation, you’ll always be notified of unexpected activity. And since it’s compatible with other smart devices in the Tuya ecosystem, you can set automation routines like switching on lights or cameras when the sensor is triggered, adding an extra layer of security.

Key features

Instant intrusion alerts via mobile app
Be notified immediately on your smartphone through the Tuya Smart Life app when the sensor detects that a door or window has been opened.

Wireless, battery-powered operation
No need for wiring—easily mount the sensor with adhesive or screws and enjoy low-maintenance operation with long battery life.

Compact magnetic sensor design
Blends seamlessly into any door or window frame without drawing attention, making it ideal for discreet security setups.

Tuya Smart Life integration
Fully compatible with Tuya/Zigbee-enabled smart alarm systems and devices, allowing automation and smart scenes.

Wide application versatility
Suitable for wooden doors, sliding windows, metal cabinets, and more—wherever you need to know if access has been breached.

Anti-tamper function (for select models)
Some versions feature tamper protection that notifies you if the sensor is removed or damaged.

Long wireless range
Reliable communication range suitable for multi-room setups, even across large properties.

Specifications

Why you should choose this system

The Wireless Door/Window Contact Sensor is a small device with massive importance. It serves as your first line of defense against intrusions by monitoring vulnerable access points around your property. Unlike traditional contact sensors that are bulky or require complicated wiring, this modern sensor offers a clean, wireless installation with minimal effort. Once set up, it immediately becomes an intelligent node in your larger security network, silently watching over your space.

Whether you're enhancing an existing smart alarm system or starting a new setup from scratch, this contact sensor offers compatibility, reliability, and expandability. It doesn’t just stop at triggering an alert—when paired with the Tuya Smart Life ecosystem, it allows you to automate responses like flashing lights or starting a camera recording, creating a truly intelligent home defense system.

Purchasing from Mwanga ensures that you're getting original, high-quality security devices that are tested, supported, and delivered fast throughout Kenya. Mwanga's commitment to customer satisfaction means you're never left with confusing instructions or unreliable gear. You get a trusted product that works exactly as promised.

Watch the system in action

Click above to see how contact sensors like this integrate into a complete smart alarm system with mobile alerts and automation.

Ideal for

• Homeowners wanting to secure doors and windows

• Office managers monitoring entry points after hours

• Rental property owners needing flexible, wireless security

• Parents who want to monitor sensitive cabinets (e.g., medicine or liquor)

• Anyone building a smart home system with real-time intrusion detection

Frequently asked questions (FAQ)

Q: Does it work with any alarm system?
This sensor is designed for use with Tuya/Zigbee-compatible alarm systems. Be sure your hub supports these protocols.

Q: Is installation difficult?
Not at all. The device uses adhesive or screws for mounting and can be installed in under two minutes.

Q: Can I use this on sliding doors or windows?
Yes. As long as the magnetic and sensor units align properly (within 15mm), it will function reliably.

Q: Does it send alerts without an alarm hub?
The sensor needs a compatible hub to send notifications and function in automation scenes.

Q: How long do the batteries last?
Battery life can last up to 12 months depending on frequency of use and environmental conditions.

Q: What happens if someone tries to remove the sensor?
Some models feature tamper alerts that will notify the user if the sensor is detached or tampered with.

The Wireless Door/Window Contact Sensor is a vital part of any smart security setup. Its compact size, wireless connectivity, and instant alert features make it an ideal choice for modern homes and offices. Whether you're building a new system or upgrading an old one, this sensor enhances your security with simplicity and intelligence. Buy it today from Mwanga and enjoy fast delivery in Kenya, guaranteed quality, and unmatched local support.