The Safewill Household Combustible Gas Detector is designed to keep your family safe by detecting dangerous leaks before they become a disaster. Suitable for kitchens, bedrooms, and living spaces, this device monitors for Carbon Monoxide (CO) and combustible gases like Methane (CH4) and Propane (C3H8).
Key Features:
Smart Alarm System: Features a loud sound alarm (>80dB) paired with flashing lights and Real Voice Prompts to clearly warn you of danger.
Night Visibility: Equipped with a backlit LCD screen (numeric display), ensuring you can see gas levels clearly even in the dark.
Smart Connectivity (Optional): Supports intelligent IoT integration (4G/LoRa/WiFi) for remote alarm pushes to your phone (requires optional networking module).
Dual Protection: The advanced model (JMT/Y-H502) offers simultaneous detection of two gases (CO and Combustible Gas) for comprehensive safety.
Easy Installation: Can be mounted on the ceiling or wall, depending on your room layout.
Technical Specifications:
| Feature | JM-H501 (CO Model) | JMT/Y-H502 (Combo Model) |
| Detecting Gas | CO / CH4 / C3H8 | CO, CH4 (Methane), C3H8 (Propane) |
| Measurement Range | 0-500ppm | CO: 0-500ppm / CH4: 0-50% LEL |
| Power Supply | DC 5V Adapter or 3x AA Batteries | AC 220V Adapter or DC 12V |
| Alarm Sound | ≥80dB/m | ≥80dB/m |
| Working Environment | -10℃~50℃ | 10%~95% RH (No condensation) |
| Dimensions | 100 x 100 x 42mm | 100 x 100 x 42mm |
| Lifespan | 2 Years | 2 Years |















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