1. Battery: 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 the smart hub and alarm)
- Certifications: FCC/IC
- Works with Apple HomeKit, Google Assistant, and Amazon Alexa and is compatible with SmartThings.
- Voice access: Ask for the status of your device via HomePod/Siri/Google, or Alexa.
- 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 2 years.
- Automation: Set triggers in the Meross app to control other Meross devices.
- Control up to 16 devices: one hub can control up to 16 Meross devices (sensors, detectors, thermostat valves) at the same time.


More Powerful Features
Up to 100m coverage
Push Notification
Slimmer & Compact
Voice Control
Security Monitoring
Home Automation (Create automation scenes with bulb, switch, plug, fan, air purifier, lamp strip, etc.)

Home Automation
Multi-Scene UseUp to 2.4cm sensing distance to prevent false sensing and fit multi-scene.
Easy to Install
Ultra-Compact Design
Effortlessly fits the aesthetics of your living space
View and Export History
You can view the sensor status to determine if any abnormalities are occurring, or you can export the data for processing.




T***k
Sensors works perfectly with Meross App and SmartThings hub. For sure I will buy more. No issues also with connection by Wi-Fi.
AliExpress Shopper
Very poor product always loses connection, and the seller refuse for refund even I suggested to send the product back
O***a
I received the product already tested works perfectly even in the app HomeKit excellent product
A***h
It was going offline too often, but now been few days that working ok.
C***z
Pending to test. I thought that only the Home Kit was enough but the Hub is needed.