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Discover the Dahua Wireless Smoke Alarm (HY-SA21A-W2) on Mega Jaipur. Offering high sensitivity smoke detection, hassle-free wireless connectivity and precise alerts, this alarm promises safety for your home. Explore its advanced features today.
| Model | Dahua HY-SA21A-W2 Wireless Smoke Alarm |
|---|---|
| Sensor Type | Photoelectric (Split-Spectrum Technology) |
| Detection Type | Smoke Detection |
| Alarm Type | Smoke Alarm, Fault Alarm, Low Battery Warning |
| Alarm Volume | 85–90 dB at 3m |
| Alarm Mode | Visual (LED) & Audible |
| Silence Function | Yes (Approx. 12 Minutes) |
| Coverage Area | 20–40 m² (Up to 8m Height) |
| Frequency | 433.1 – 434.6 MHz |
| Wireless Range | Up to 1000m (Open Area) |
| Communication | Two-Way with Frequency Hopping |
| Security | AES128 Encryption |
| Indicators | Red & Green LED Status Indicators |
| Power Supply | 3V CR123A Lithium Battery (Up to 3 Years Life) |
| Operating Temperature | -10°C to +55°C |
| Installation | Ceiling Mount |
| Certifications | CE, TÜV (EN 14604 Standard) |
| Usage | Home & Office Fire Safety, Smoke Detection |
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