SmartWise 5V-32V 1-channel WiFi smart relay switch, with dry contact switch support and momentary switch mode, eWeLink / Sonoff compatible

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SmartWise (Sonoff compatible) is the 1-channel version of 5-32V power supplied WiFi-equipped relay product-line, supports impulse and normal switch, or volt-free dry contact switch, comes without plastic boxing.


SKU: SMW-REL-532V-1 Category:


SmartWise is a 1-channel smart relay-switch, ideal solution for remote control of gardengates, garage doors, or other electric devices/circuits. This smart device is compatible with the eWeLink smartphone app managing other Sonoff products. By using the WiFi-equipped smart relay close or break any circuits, thus turn ON / OFF any devices connected to the relay.

The WiFi smart relay needs a 5V USB or 7V-32V DC power supply. Any connected circuits operate independently from the relay’s power supply, the relay supports 90-250V/10A alternate current connected to COM input or manages 0-30V/10A direct current in NO or NC mode. The smart device manages volt-free dry-contact switching too.

The smart relay is remotely controllable via Internet and iOS (Apple) or Android smartphone App, and you can set scheduled turning ON / OFF. Share remote control in the App with your family.

Supports momentary switch mode, closes or breaks the connected circuits after 1 sec. Ideal solution for remote control of electric gates or PC power adapters. (For controling engines where 2 or more axis motion happens choose 2 or 4 channel versions.)

Product features:

  • Remote ON / OFF – Anytime, anywhere, from now on you can turn all your appliances on and off remotely.
  • Relay power supply: 5V DC USB or 7V-32V DC
  • Circuit control: volt-free dry contact or 90-250V/10A alternate current or 0-30V/10A direct current
  • Mobil App – free iOS és Android mobil App: eWeLink
  • Sync status – Check actual relay status (turned ON or OFF) with the mobile App
  • Timer – Various timer functions: single time, scheduled turn on/off, countdown/timer, loop.
  • Share control – Control the device together with your family
  • Scene – Turn ON / OFF a gang of devices with one tap
  • Smart scene – Triggered ON/OFF by temp, hum or other environmental sensors
  • Compatibility – Works perfectly with Amazon Alexa, Google Assistant, IFTTT and Google Nest


The relay supports two modes: normal switch and momentary switch. Choose between any with the button on main panel.

Supports two types of connection: with COM + NO wiring the relay closes the circuit when switched, with COM + NC wiring the relay breaks the circuit when switched.

Additional information

Weight 0.025 kg
Dimensions 7.05 × 2.74 × 2.3 cm
Product type

smart relay

Number of electric gangs controlled


Momentary switch (Inching)


Physical switch


DIN rail compatible




433MHz RF remote controllable


Remotely controllable via internet


Voice control

Amazon Alexa and Google Assistant compatible

Power meter


Schedulers, timers

yes (single time, schedule, timer/countdown)

Smartphone app

yes, free app: eWeLink (Android, iOS)


Amazon Echo, Echo Dot, Amazon Tap, Google Home, Google Nest, IFTTT


relay power supply: 5V USB or 7V-32V DC

Brand / Manufacturer


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