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Magnetic Contact Switch


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Magnetic Contact Switch

Magnetic Contact Switch

The Milesight EM300-MCS is a cutting-edge magnetic contact switch engineered for unparallelled security monitoring. Designed to provide real-time alarming for unauthorised entries, this device serves as a vigilant guardian, offering peace of mind in both residential and commercial settings. With its precise sensing technology, it promptly detects door or window openings, triggering immediate alerts to safeguard your premises against potential threats.

Crafted with durability in mind, the EM300-MCS boasts an IP67 rating, ensuring resilience against harsh environmental conditions. Its UV resistance further enhances longevity, making it suitable for outdoor applications. Beyond security, this sensor is a versatile asset, capable of monitoring not only door/window status but also temperature and humidity levels, providing comprehensive environmental insights for optimised comfort and safety.

Equipped with high sensitivity, the EM300-MCS offers a remarkable 20 to 30 mm open/close sensing distance, guaranteeing reliable detection performance. Users can personalise alarm reporting intervals and times to suit specific requirements, ensuring efficient utilisation of resources. With an impressive battery life of up to 10 years, this sensor delivers long-term functionality without the hassle of frequent maintenance, making it an indispensable component of any robust security and monitoring system.


Enhanced Remote Control Accessibility
Effortlessly power on/off electrical appliances from your smartphone, no matter where you are.

Customisable Alarm Functionality
Tailor alarm settings to your needs with adjustable reporting intervals and frequencies, enabling versatile application across diverse scenarios.

3-in-1 Sensor Integration
The EM300-MCS combines temperature and humidity sensors for comprehensive monitoring within a single device.
• Temperature: + 0.3°C (0°C ~ 70°C)
• Humidity: + 3% (10% ~ 90%)Robust Industrial Design for Challenging Environments

Engineered for durability:
• IP67 Enclosure for Dust and Water Resistance
• UV Resistance for prolonged outdoor use

Long-Term Battery Operation
Powered by a high-capacity ER18505 Li-SOCL2 battery (4000 mAh, with an optional 8000 mAh), ensuring over 5 years of continuous service and available for up to 10 years.

Reliable Communication with Retransmission Support
Ensures seamless data delivery, even during occasional network disruptions, guaranteeing complete data integrity.

Extensive Data Storage Capability
Stores up to 2,800 sets of historical data records within the device, enhancing data security and traceability.

LoRaWAN® Connectivity
Extensive coverage:
Penetrating Signals with a transmission range up to 2 km in urban areas and 15 km in rural settings
High Compatibility with standard LoRaWAN® gateways and network servers

Efficient Cloud Data Management
Streamlined data visualisation through a user-friendly dashboard, offering instant insights. Automated triggers facilitate interactive collaboration with Milesight IoT sensors for scene-based automation. Receive regular reports and real-time alerts for data-driven decision-making. Access and manage devices effortlessly via the Android & iOS app.

Seamless NFC Configuration
Wirelessly switch devices on/off and configure settings with ease using NFC technology.


Datasheet  User guide  Payload Decoder Firmware & SDK

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