DAHUA DHI–HY-GC20D-True tech.
DAHUA DHI-HY–GC20D
Technical Specification
| 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 |
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