Wireless alarm system door/window sensor EWD3

Magnetic, shock and temperature sensors with additional wired zone inside.

What is EWD3?

New ELDES magnetic window and door sensor EWD3 is also sensing vibration and measuring temperature. New generation ELDES wireless technology enables to reach breakthrough wireless distance  of 3000 m in open spaces with ESIM384. Wireless devices battery lifetime increased 2x and reached 36 months operating time. It can be used as transmitter for other, wired digital sensors.

Available in two colors: white or brown.

What EWD3 does?

EWD3 – wireless device intended to secure doors, windows or any other opening/closing mechanisms.

In addition, the device comes equipped with a built-in shock sensor for vibration detection (drilling, knocking, hammering etc.), an on-board zone terminal designed for external NO/NC sensor, EOL (end-of-line) sensor (for double-leaf door or 2nd window security) or flood sensor (for water leak detection) connection and a tamper switch for enclosure state supervision in case it is illegally opened or detached from the wall.

In order to start using EWD3, it has to be paired with ELDES alarm system using ELDES configuration software or by sending a corresponding SMS text message to ELDES alarm system.

Main features

  • Super long battery lifetime
  • Magnetic door contact
  • LED indication
  • External NO/NC sensor or EOL sensor
  • Temperature sensor
  • External flood sensor (EFS1 sold separately)

Frequently asked questions (FAQ)

What are the prices of ELDES production?

To get the prices of the devices please check ELDES disributors’ Internet sites. Otherwise, feel free to contact out partners in your country/city by telephone or e-mail.

Can I purchase ELDES devices directly from you?

You can purchase ELDES production only from our distributors. If you have any ideas or intentions to create a new nonstandart device or suggestions how to improve our current devices contact us directly or our partners in your country.

Where can I purchase ELDES devices if your distributors are not available in my country?

Feel free to contact us.


Battery3V Lithium 1500mAh CR123A type; CR17345 (IEC) / 5018LC (ANSI/NEDA)
Number of batteries1
Battery operation timeUp to 5 years*
Wireless bandISM868 or ISM915**
Wireless communication rangeUp to 3000m (~9843ft) in open areas
Range of operating temperatures-20…+55 °C (-4… +131°F)
Humidity0-90% RH @ 0… +40°C (0-90% RH @ +32… +104°F) (non-condensing)
EWD3 dimensions117x22x22mm (4.61×0.87×0.87in)
Magnet dimensions47x13x10mm (1.85×0.51×0.39in)
Compatible with alarm systemsELDES wireless
* The operation time may vary under different conditions.** Depends on region.

Where to buy?