Smoke sensor HW3SA, Wi-Fi, 3V

Product reference: DAHS3SA
  • Smoke sensor with WiFi;
  • Wi-Fi - 2.4 GHz;
  • Red LED indicator, sound level 85 dB / 3 m;
  • Operating voltage 3V 
  • Operating temperature -10°C ~ +50°C;
  • Operating humidity <=95% RH without condensation;
  • Dimensions: diameter 48 mm, height 51 mm;
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At stores prices may vary
€19.80 tax excl.

Product information

Protect your home from the risk of fire with a smart stand-alone smoke detector.

HW3SA is a battery operated photoelectric smoke alarm, adopting unique structure design, advanced photoelectric sensor and low power consumption WiFi communication technology, able to monitor and detect smoke particles in real time, especially detects visible particles (associated with smouldering fire) sooner than ionization alarms. Once smoke particles or a fire danger is detected, this alarm will chirp and the red LED will flash rapidly, and alarm notification will be sent to user APP to alert user and user family timely.

HW3SA features:

  • Real time monitoring / high decibel alarm. With unique structural design, this product can monitor and detect smoke patricles in real time, and emit a red LED light and an alarm up to 85 decibels.
  • Know the danger anytime, anywhere. The alarm will be sent to the mobile APP  in real time, so that no matter where you are, you can know the danger and deal with it in time.
  • Ultra-low power consumption design. Battery life up to 2 years under normal conditions.
  • Small dimensions and beautiful design will fit in various interiors.
  • Low battery reminder. When the battery becomes low, the red LED will flash once, and the smoke alarm will emit a "Di" warning sound every 53 seconds to remind.
Working Voltage DC 3V (CR123A lithium battery)
Alarm indication Red LED
Sound level ≥85dB/3m
Sensor type Infrared photoelectric
Networking Wifi-2.4GHz
Wifi protocol IEEE 802.11/b/g/n
Working temperature -10°C ~ +50°C
Working humidity ≤95%RH(no condensation)
Dimension 48*H51mm


Detector type Smoke
Power Autonomous


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