ELDES EWF1 wireless photoelectric-based smoke detector

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ELDES EWF1 is a wireless photoelectric-based smoke detector designed to detect smoldering fire before bursting into flame. 

  • Photoelectric sensor for slow smouldering fires.
  • Non-radioactive technology for environmental friendly.
  • High and stable sensitivity.
  • Quick fix mounting plate for easy installation.
  • LED operation indicator.
  • Built-in speaker for audio alarm indication.
  • Lifetime 10 years.
  • Tamper switch: for device detachment from the wall detection.
  • Quick mounting plate, easy installation.


Detection type

Photoelectric chamber

Alarm sound level

85dB at 3m

Battery type

Primary 9V Lithium 1200mAh ANSI/NEDA 1604LC

Number of batteries


Battery operation time

~18 months (might vary in different conditions)

Wireless transmitter-receiver frequency

868/915 MHz

Wireless communication range

Up to 30 meters in premises; up to 150 meters in open areas

Range of operating temperatures

5 up to 45°C


0-90% RH @ 0… +40 °C (non-condensing)

Sensitivity to smoke

3.0-6.0 % Obs /m

Compatible with alarm systemsELDES Wireless

ELDES Wireless


110mm diameter