Tuya Smart Life Wi-Fi + 433 MHz Universal 1-Channel Relay Switch

The Tuya Smart Life Universal Relay Switch is a compact 1-channel control module that allows electrical devices, lights, door locks and other equipment to be operated through a smartphone app or a compatible 433 MHz RF remote control.

It supports the Tuya Smart Life app, along with voice control through Amazon Alexa and Google Home.

Multiple Control Options

The relay can be controlled using:

Tuya Smart Life mobile application
Compatible 433 MHz RF remote control
On-board manual button
Amazon Alexa voice commands
Google Home voice commands

Power Supply Options

The module supports multiple power-input methods:

7–32V DC input
7–32V AC input
5V Micro-USB input

This makes it suitable for a wide range of security, automation and access-control applications.

Relay Operating Modes

Self-Locking Mode

Self-locking is the default operating mode.

Press the button through the app, RF remote or module to switch the relay ON. Press it again to switch the relay OFF.

This mode is suitable for:

Lights
Fans
Pumps
Appliances
Equipment requiring continuous ON/OFF control

Inching or Momentary Mode

In inching mode, the relay switches ON for a selected time and then automatically switches OFF.

The inching duration can be configured through the Tuya Smart Life app.

Recommended settings:

Rim-type electronic door lock: Approximately 1 second
Electromagnetic lock or bolt lock: Approximately 3 seconds

The timing can be increased or reduced according to the connected device and application.

Key Features

Wi-Fi and 433 MHz RF control
Single-channel relay output
Compatible with Tuya Smart Life
Supports Amazon Alexa and Google Home
Self-locking and inching operating modes
Adjustable relay ON duration
Compact and easy to install
Suitable for home automation and access control
Supports manual, app and remote-control operation

Product Specifications

Product Type: Wi-Fi and RF relay receiver module
Number of Channels: 1
Input Voltage: AC/DC 7–32V
Alternative Input: 5V Micro-USB
Wi-Fi Frequency: 2.4 GHz
Wi-Fi Standard: IEEE 802.11 b/g/n
RF Frequency: 433 MHz
Maximum Relay Load: Up to 10A
Maximum Rated Power: Up to 220W, depending on load type and operating voltage
Dimensions: Approximately 69 × 41 × 20 mm
Relay Mechanical Life: More than 100,000 operations

Suitable Applications

The module can be used for:

Electronic door locks
Rim locks
Electromagnetic locks
Electric bolt locks
Gate and door control
Lighting automation
Pump control
Home appliances
Access-control systems
Remote equipment switching

Important Safety Note

The maximum relay rating depends on the connected load type. Motors, inductive loads, locks and high-inrush devices may require a lower operating current or an external contactor. Installation should be carried out by a qualified technician, especially when switching AC mains voltage.

Tuya Smartlife WiFi 1ch relay module for door lock , access control , trigger mode and delay time trigger by mobile app with 433Mhz Remote receiver