Meross MS200H – Smart Door & Window Sensor (HomeKit)

Wireless sensor for doors and windows with smart alerts and app control

The Meross MS200H is a compact **smart door and window sensor** that detects opening and closing events and sends instant notifications to your smartphone. It works with Apple HomeKit, Amazon Alexa, Google Assistant, and SmartThings for easy smart home integration. The sensor uses a replaceable CR2450 battery and can be mounted on doors, windows, or other openings. A Meross hub (e.g., MSH300) is usually required for HomeKit and cloud connectivity.

Key Features

• Smart Alerts: Receive notifications when doors or windows are opened or closed
• HomeKit & Multi-Platform: Compatible with Apple HomeKit, Alexa, Google Assistant, and SmartThings
• Wireless: Uses Wi‑Fi (2.4 GHz) and communicates with hub via 433 MHz (hub required)
• Compact & Easy Install: Adhesive or screw mounting; small footprint
• Long Battery Life: CR2450 battery lasts up to ~2 years

Technical Specifications

• Manufacturer: Meross Technology Limited
• EAN: 6973696569448
• Model: MS200H
• Power: 1 × CR2450 replaceable battery
• Wireless Protocol: Wi‑Fi 802.11 b/g/n (2.4 GHz) + 433 MHz (sensor-to-hub)
• Dimensions: Main: 57 × 31 × 15 mm; Magnet: 28 × 15 × 11 mm
• Operating Temperature: 0 °C – 40 °C
• Operating Humidity: 10 % – 90 % RH non-condensing
• Compatible Systems: iOS 13+, Android 6.0+, HomeKit, Alexa, Google Assistant, SmartThings
• Weight: Approx. 50 g

Applications

• Monitor doors and windows for entry/exit detection
• Trigger automations in smart home platforms
• Receive real-time alerts on your phone
• Integrate with lighting, alarms, or smart home scenes

Package Contents

1 × Meross MS200H Sensor (main and magnet)
User Manual
Mounting adhesive and/or screws
Note: Meross hub (e.g., MSH300) may be required for HomeKit and cloud features

Quantity Per Unit

1 × Meross MS200H per package

Keywords

Meross MS200H, smart door sensor, smart window sensor, HomeKit sensor, Wi‑Fi door contact, smart home security