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We Recommend
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Code: FDS998/113
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Code: FDS998/113
The WisuAlarm Standalone Carbon Monoxide Detector is powered by a sealed 10-year lithium battery and uses a high-performance electrochemical sensor for fast and accurate detection of dangerous carbon monoxide leaks.
Designed for homes, rentals and holiday properties, the detector provides real-time CO concentration readings on a clear LCD screen.
Three indicator lights display operating status, while the built-in sounder activates continuously until reset if carbon monoxide is detected.
With low power consumption, one-click silence, self-test and a low battery warning, the unit combines reliable safety with easy operation.
Installation is flexible, either wall-mounted using the supplied screws and plugs, or free-standing on any flat surface. Its compact design and modern finish make it an unobtrusive addition to any property.
High-performance electrochemical CO sensor for rapid, accurate detection
Sealed 10-year lithium battery with low power consumption
LCD display with live CO concentration readout
Three clear indicator lights to show device status
Continuous alarm when CO levels are detected until reset
Built-in self-test and low battery warning
One-click silence function for easy control
Compact, modern design with unobtrusive appearance
Flexible installation – wall mount (fixings included) or free-standing
Model | DHI-HY-GC20D |
Sensor Type | Electrochemical |
Alarm Volume | Over 85dB (A) at 3 m (9.84 ft) |
Alarm Mode | Visual and audible alarm |
Silence Function | Support |
Silence Duration | About 45 seconds |
Battery Life | 10 years |
Power Source | 3V CR123A lithium battery (non-replaceable) |
Operating Environment | Indoor use only |
Operating Temperature | –10°C to +40°C (+14°F to +104°F) |
Operating Humidity | ≤95% RH (non condensing) |
Dimensions | 116.4 mm × 71.7 mm × 28.3 mm (4.58" × 2.82" × 1.11") |
Weight | 125g |
Installation | Wall Mount |
Certifications | TÜV and CE listed |
Compliance Standards | EN 50291-1:2018 |
Install CO detectors near fuel-burning appliances such as boilers, gas cookers, and fireplaces, and in bedrooms or living spaces where people spend long periods of time.
No, a CO detector only detects carbon monoxide. For complete protection you should also install smoke alarms and, if needed, gas leak detectors.
Most CO detectors last 7 to 10 years, depending on the model. Always check the expiry date on the unit.
Both terms are often used interchangeably. A CO detector senses carbon monoxide, and when levels become dangerous, it activates an alarm to alert you.
At least one on each floor, and one near every fuel-burning appliance and bedroom. Larger homes may need additional detectors for full coverage.
The WisuAlarm Standalone Carbon Monoxide Detector is powered by a sealed 10-year lithium battery and uses a high-performance electrochemical sensor for fast and accurate detection of dangerous carbon monoxide leaks.
Designed for homes, rentals and holiday properties, the detector provides real-time CO concentration readings on a clear LCD screen.
Three indicator lights display operating status, while the built-in sounder activates continuously until reset if carbon monoxide is detected.
With low power consumption, one-click silence, self-test and a low battery warning, the unit combines reliable safety with easy operation.
Installation is flexible, either wall-mounted using the supplied screws and plugs, or free-standing on any flat surface. Its compact design and modern finish make it an unobtrusive addition to any property.
High-performance electrochemical CO sensor for rapid, accurate detection
Sealed 10-year lithium battery with low power consumption
LCD display with live CO concentration readout
Three clear indicator lights to show device status
Continuous alarm when CO levels are detected until reset
Built-in self-test and low battery warning
One-click silence function for easy control
Compact, modern design with unobtrusive appearance
Flexible installation – wall mount (fixings included) or free-standing
Model | DHI-HY-GC20D |
Sensor Type | Electrochemical |
Alarm Volume | Over 85dB (A) at 3 m (9.84 ft) |
Alarm Mode | Visual and audible alarm |
Silence Function | Support |
Silence Duration | About 45 seconds |
Battery Life | 10 years |
Power Source | 3V CR123A lithium battery (non-replaceable) |
Operating Environment | Indoor use only |
Operating Temperature | –10°C to +40°C (+14°F to +104°F) |
Operating Humidity | ≤95% RH (non condensing) |
Dimensions | 116.4 mm × 71.7 mm × 28.3 mm (4.58" × 2.82" × 1.11") |
Weight | 125g |
Installation | Wall Mount |
Certifications | TÜV and CE listed |
Compliance Standards | EN 50291-1:2018 |
Install CO detectors near fuel-burning appliances such as boilers, gas cookers, and fireplaces, and in bedrooms or living spaces where people spend long periods of time.
No, a CO detector only detects carbon monoxide. For complete protection you should also install smoke alarms and, if needed, gas leak detectors.
Most CO detectors last 7 to 10 years, depending on the model. Always check the expiry date on the unit.
Both terms are often used interchangeably. A CO detector senses carbon monoxide, and when levels become dangerous, it activates an alarm to alert you.
At least one on each floor, and one near every fuel-burning appliance and bedroom. Larger homes may need additional detectors for full coverage.
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