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Smart Door and Window Sensor

  • Works with Apple HomeKit, Amazon Alexa and is compatible with SmartThings.
  • Voice access: Ask for the status of your device via HomePod/Siri.
  • Alerts: Receive alerts immediately on your Meross app or Apple Home app when an alert condition is detected.
  • Low power consumption: The built-in battery has a life of up to 18 months.
  • Automation: Set triggers in the Meross app to control other Meross devices.
  • Control up to 16 devices: one hub is able to control up to 16 Meross devices (sensors, detectors, thermostat valves) at the same time.
  • CR2450 Battery, replaceable
Sensor Dimensions (Dia × H)
  • 2.24 × 1.22 × 0.59 in. and 1.10 × 0.61 × 0.43 in.
Hub Dimensions (W × D × H)
  • 59 × 41 × 21 mm (2.3 × 1.6 × 0.8 in.)
Wireless Standard
  • 802.11 b/g/n 2.4GHz Wi-Fi (smart hub)
Wireless Standard
  • 433MHz (between smart hub and alarm)
Package Contents
  • 1 × Smart Sensor
  • 1 × User Manual
  • 1 × Key Pin
  • 1 × Power Adapter
  • 1 × USB Cable
  • 1 × Smart Hub (Only included in packages with Hub)
System Requirements
  • Smart phone running iOS 13 or later, Android 6.0 or later
  • Existing Wi-Fi network
  • FCC/IC
  • Operating Temperature: 0°C~40°C (32°F~104°F)
  • Storage Temperature: -20°C~50°C (-4°F~-58°F)
  • Operating Humidity: 10%~90% non-condensing
  • Storage Humidity: 5%~90% non-condensing
What types of meross devices can I trigger with my smart door and window sensors?

1. You can automate the control of meross smart switches or smart bulbs by setting Trigger to turn on or off the corresponding lights when the door or window sensor detects that a door or window has been opened.
2. You can protect your privacy and improve your comfort by setting Trigger to automatically close the window shades when the door or window sensor detects that a door or window has been opened.

In addition to this, you can also automate the control of meross devices such as purifiers and thermostats with the MS200.

Is the battery of this device replaceable?

Yes, this unit has a replaceable battery. It is powered by a DC 3V CR2450 battery.
When the battery runs out, we recommend that you use a Panasonic CR2450 battery as a replacement. In our tests, this will give you a better battery life experience.

Learn More
User Manual_MS200HK