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The product's shade and actual color may differ from what is shown in the picture, as the images are for illustrative purposes. The product description is general and may not include all the product's features.
Dahua Technology DHI-HY-SA21A-W2(868) smoke detector Photoelectrical reflection detector Wireless
54,05 €
53,71 €
Monthly payment from 2.28 €
2609456 DHI-HY-SA21A-W2(868)
6923172538963
2026-07-24
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Dahua Wireless Smoke Alarm provides battery-powered smoke detection and alarm functions within a single unit. Advanced electronics in
conjunction with a photoelectric smoke sensing chamber provide early
detection of smoke and high immunity against unwanted alarms. This
kind of smoke alarm does not require a mains supply and is suitable for
general residential applications. Timely notification of the smoke alarm
can be displayed on DMSS App in real time.
Scene
Mainly applied for villas, shops, apartments, etc.
| Product colour | White |
| Weight | 140 g |
| Height | 43.1 mm |
| Connectivity technology | Wireless |
| Battery type | CR123A |
| Certification | EN 14604:2005+AC:2008 |
| Operating temperature (T-T) | -10 - 55 °C |
| Operating relative humidity (H-H) | 0 - 95% |
| LED indicators | Power; Alarm; Fault |
| Housing material | Acrylonitrile butadiene styrene (ABS) |
| Battery technology | Lithium |
| Power source | Battery |
| Input voltage | 3 V |
| Mounting type | Surface-mounted |
| Bandwidth | 868.3 MHz |
| Compatible battery sizes | CR123A |
| Battery low indication | Yes |
| Diameter | 9.8 cm |
| Maximum range | 1000 m |
| Suitable for indoor use | Yes |
| Alarm decibels | 90 dB |
| Battery life | 3 year(s) |
| Detector type | Photoelectrical reflection detector |
| Light alarm | Yes |
| Interconnectable | No |
| Alarm mute | Yes |
| Compliance certificates | CE |