Meross MS400HK Smart Water Leak Sensor

The Meross MS400HK is a smart water leak detector that alerts you to water leaks and potential flooding in your home. It connects via a Meross smart hub to Apple HomeKit or Samsung SmartThings and sends notifications to your smartphone. Compact and waterproof, it is ideal for bathrooms, kitchens, basements, and utility rooms.

Features

• Smart home connectivity: Works with Apple HomeKit and Samsung SmartThings via a Meross hub
• Water leak detection: Detects water and triggers instant alerts
• Audible alarm: Approx. 60 dB to notify occupants locally
• IP67 waterproof: Protection against dust and water
• Long battery life: Up to ~18 months on a CR123A battery
• Voice access: Check sensor status via Siri/HomePod with HomeKit integration

Benefits

• Early warning to prevent water damage
• Remote monitoring via smartphone
• Audible local alerts for immediate notification
• Compatibility with popular smart home systems
• Compact and waterproof design for flexible placement

Specifications

• Product type: Smart water leak sensor
• Model number: MS400HK
• Detection type: Water leak/flood sensor
• Connectivity: Meross smart hub required for HomeKit/SmartThings integration
• Power supply: CR123A battery
• Battery life: Up to ~18 months
• Alarm volume: ~60 dB
• Operating temperature: 0 °C to +40 °C
• Humidity (non‑condensing): 10 %–90 %
• Dimensions: 71.5 × 41.5 mm
• Weight: ~0.1 kg (sensor) / ~0.13 kg (with packaging)
• EAN: 6973696568335
• Manufacturer: Meross

Ideal For

• Homes and apartments
• Bathrooms, kitchens, basements, and utility rooms
• Under sinks, near washing machines, dishwashers, water heaters
• Smart home water safety and damage prevention

Keywords

Meross MS400HK, smart water leak sensor, HomeKit water detector, SmartThings water alarm, IP67 leak sensor, Meross smart home device