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SmartWise 5V-32V 2-gang smart relay switch, with dry contact and momentary switch, Zigbee + RF

This SmartWise smart relay is a 2-gang 5V-32V power supplied, Zigbee + RF relay, supports momentary and normal switching, or voltage-free dry contact switching, comes without plastic boxing.

This product version also includes an RF receiver, and can be controlled by Sonoff RF remote controllers and SmartWise RF wall switches. This is the 2-gang version.


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Supported protocols:
RF receiver (433 MHz), Zigbee

This is a 2021 new Zigbee + RF version of the popular 2-gang smart relay-switch from Sonoff-compatible SmartWise brand, ideal solution for remote control of motorized gates, garage doors, irrigation systems, or other electric devices/circuits. This smart device combines Zigbee with RF connection capabilities,so it can be connected to a Zigbee-based smart home system, as well as, remote controlled locally from a 433MHz RF remote contoller.

The Zigbee part is both compatible with Sonoff Zigbee Bridge (and the eWeLink smartphone app and platform) and Tuya / SmartLife Zigbee gateways. 

Through the RF receiver it can be wirelessly controlled by Sonoff RF remote controllers and SmartWise RF wall switches, too. 

The smart relay needs a 5V USB or 7V-32V AC/DC power supply. The controlled circuits operate independently from the relay’s power supply, the relay supports 90-250V/10A AC connected to COM input or manages 0-30V/10A DC, in either NO or NC connection mode. The smart device manages voltage-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 (use physical button on the board to activate momentary switching mode), in which closes or opens after 1 sec. Ideal solution for remote control of electric gates or a PC power adapter.

It can also be put into interlock mode (use physical button on the board to activate interlock mode) to use it in interlock mode, suggested for motor control.


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 AC/DC
  • No of circuits controlled: 2, voltage-free dry contact or 90-250V/10A AC or 0-30V/10A DC
  • Interlock mode: switchable by physical button on the relay board.
  • Momentary switching mode (1 sec): switchable by physical button on the relay board.
  • Mobile App – supports both eWeLink and Tuya / SmartLife platforms, in case of connecting to Sonoff Zigbee Bridge: free iOS and Android mobile App: eWeLink
  • RF remote - compatible with 433 MHz Sonoff and SmartWise RF remote controllers and RF wall switches (rolling/jump code remotes not supported)
  • 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
  • Group control – Turn ON / OFF numerous devices with one tap
  • Smart scene – Triggered ON/OFF by temp, hum or other environmental sensors, or trigger from other compatible smart devices
  • Compatibility – Works perfectly with Amazon Alexa, Google Assistant, IFTTT and Google Nest


 The relay supports three operation modes: normal (self-toggle) switch mode, momentary switch mode and interlock mode. Choose between any with the button on the main panel.

Note: interlock mode and momentary switching mode cannot be activated at the same time.

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

Product type:
smart RF + Zigbee relay, even for dry contact, smart Zigbee 3.0 + RF relay, even for dry contact
without outer protective cover
Device power supply:
5V microUSB, 7-32V AC, 7-32V DC
5V microUSB power supply (not included), or 7V-32V DC/AC
DIN rail compatible:
Embedded relay:
Dimmer feature:
Power consumption metering:
Number of gangs / circuits:
Dry contact (voltage free) switching:
NO/NC switch:
Rated voltage (output):
dry contact, max. 250V AC, max 30V DC
Rated current (output):
10A, 10A per circuit
Number of phases:
Physical on/off button on device:
External switch supported:
2-way or 3-way switching:
only wireless RF433MHz switches can be paired to switch it
Momentary switching (inching):
yes, by default it operates in momentary switch mode
Surge protection:
Overheat protection:
RF transmitter / receiver:
yes, (RF receiver)
Controllable from internet:
Manufacturer smartphone app:
eWeLink or Tuya/SmartLife depending on Zigbee bridge
Web admin interface:
Voice control:
depends on the Zigbee Bridge
Cloud mode:
compatible with eWeLink and Tuya / SmartLife platfoms, yes
LAN mode:
depends on the Zigbee Bridge
REST API support:
MQTT support:
Supported integrations:
depends on the Zigbee Bridge
Schedulers, timers:
depends on the Zigbee Bridge
Notification functions:
depends on the Zigbee Bridge
yes: on/off history in the app
60 g/pcs
Package offers
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