Meross Smart Smoke Alarm With Hub

Protect your home with the Meross HomeKit Smart Smoke Detector, a reliable device that quickly detects smoke and sends instant alerts to your phone. Designed to work seamlessly with Apple HomeKit, it offers easy control through the Meross app or by voice commands. The advanced sensor provides fast and accurate smoke detection, ensuring early warnings in case of fire. With simple installation, a long-lasting battery, and a sleek, modern look, this smoke detector blends safety with convenience and style.

Product Features:

• Safe and Reliable: Comply with CE EN14604 (Certified by Intertek). Alarm at maximum 85dB.
• Alarm Linkage: When one alarm detects smoke, all alarms will chirp to remind you. (Purchase multiple smoke alarms.)
• Alert: Your Meross app or Apple Home app will receive an alert instantly when danger happens.
• Battery Replaceable: 2 x 1.5V AA batteries included and replaceable.
• Automation: Set triggers to control other Meross devices in the Meross app.
• Smoke and Overheat Detection: In addition to smoke detection, it can also detect overheating. When the temperature is too high (54 - 70℃), it will chirp to remind you.
• Control Up to 16 Devices: One hub is able to control 16 meross devices (sensors, detectors, thermostat valves) at same time.
• Works with Apple HomeKit and is compatible with SmartThing 

FAQs

How long can the GS559A be used?
Under normal conditions, the battery typically lasts about 1 year. If the battery depletes, simply replace it with 2 × AA batteries to continue use.

What is the alarm volume of this product?
The alarm volume reaches ≥85 dB(A) at a distance of 3 meters.

How many smart alarms can the smart hub support?
One smart hub can support up to 16 smart alarms. For managing dozens of smart alarms, you can set up multiple hubs. Pairing multiple GS559A alarms with the same hub enables the linked alarm function, so when one alarm sounds, the others will also activate. However, if you pair GS559A alarms with separate hubs, the linked alarm function will not be available.

Why does the alarm not respond when I simulate smoke for testing? 
The alarm may not respond if the smoke concentration is below its detection threshold. Simulating smoke can be dangerous and potentially cause a fire. For safety, we recommend using the Test function available in the app to check the alarm's functionality.

How do I set up the HomeKit alarm GS559A?
Setup involves both hardware and software installation. We recommend using the Meross app for setup, which provides clear step-by-step instructions, troubleshooting guidance, usage tips, and firmware updates. While HomeKit setup must be done through the Meross app, you can manage your alarm through both the Meross app and Apple Home app.

Specifications:

• Sensor Type: Photoelectric
•  Battery: DC 1.5V × 2 Alkaline AA (replaceable, typically lasts about 1 year)
•  Recommended Battery: Energizer E91, Gold Peak Group GP 15A LR6, Raymax LR6
  
• Alarm Volume: > 85 dB (A) at 3m (10ft)
  
• Alarm Sensitivity: 0.115 - 0.168 dB/m
  
• Heat Sensitivity: 54 - 70°C (129 - 158℉)
  
• Alarm Dimensions: φ120 × 36.7 mm (φ4.72 × 1.44 in.)
  
• Hub Dimensions: 59 × 41 × 21 mm (2.3 × 1.6 × 0.8 in.)
  
• GS559A Alarm Weight (Without Battery): 120±5g (4.23±0.18oz)
  
• GS559A Alarm Weight (With Battery): 162±8g (5.71±0.28oz)
  
• GS559AH Product Weight: 405g±10g (14.29±0.35oz)
  
• Wireless Standard: Smart Hub: 802.11 b/g/n 2.4GHz Wi-Fi, 433MHz; Smart Smoke Alarm: 433MHz
  
• Package Contents: 1 × Alarm, 2 × Expansion Screws, 1 × User Manual, 2 × 1.5V AA Batteries, 1 × Power Adapter, 1 × USB Cable, 1 × Smart Hub, 1 × CE DOC
  
• System Requirements: Smartphone running iOS 13 or later, Android 6.0 or later; Existing Wi-Fi network
  
• Environment: Operating Temperature: -10°C~40°C (14°F~104°F);
• Storage Temperature: -20°C~50°C (-4°F~122°F);
• Operating Humidity: 30%~93% non-condensing;
• Storage Humidity: 10%~93% non-condensing
• Certifications: CE, RoHS, WEEE