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Product description: Tuya - single-channel mini WiFi relay - Android / iOS application - OXT SWT21P
The OXT single-channel mini relay is a modern device for intelligent control of equipment with a maximum load of up to 16 A. Thanks to WiFi connectivity (IEEE 802.11b / g / n), it allows remote control of connected devices using the Tuya Smart application . The module is equipped with an energy consumption measurement function , which allows you to optimize electricity consumption costs. Thanks to its compact dimensions (39.2 x 39.2 x 18 mm), the relay fits into standard installation boxes , allowing for easy integration with existing electrical installations. It can work with both traditional bistable switches and operate only in remote mode . It supports automation based on schedules, timers and scenario rules - you can program its operation depending on the time of day, weather conditions, or the status of other devices in the Tuya Smart ecosystem. The relay is compatible with Amazon Alexa and Google Home , which allows for convenient voice control. It also has a function of restoring the last state after a power outage, which increases operational reliability.

Tuya - single-channel mini WiFi relay - Android / iOS application - OXT SWT21P.
Main features of the relay
- Remote control : operation via the Tuya Smart app for Android and iOS
- Energy metering : precise monitoring of power consumption
- Cooperation with a traditional switch : possibility of manual and application control
- Automations : operating based on schedules, events and Tuya sensors
- Voice Control : Compatible with Google Home and Amazon Alexa
- Compact dimensions : fits flush-mounted boxes (39.2 x 39.2 x 18 mm)
- WiFi communication : no need for an additional hub
Tuya Smart App - Full control in your hands
The Tuya Smart app is one of the most popular home automation tools. With it, you can control the module from anywhere , create schedules, set automations depending on weather conditions or the operation of other devices. The intuitive interface allows you to easily monitor energy consumption and adjust settings . Integration with the Tuya ecosystem allows you to connect the relay with motion sensors, temperature sensors or other Smart Home devices.
You can download the free Tuya Smart app to your device with Android , as well as with the iOS system .
Technical specification of the OXT SWT21P relay
- Type: 1-channel WiFi repeater
- Input voltage: 100V to 240V AC, 50Hz
- Maximum load current: 16 A
- Maximum power:
- LED: 300W
- Resistive: 3500 W
- Requires full power in the box: L and N
- WiFi Protocol: IEEE 802.11b/g/n
- Communication frequency: 2.412 GHz to 2.484 GHz
- Compatibility with systems: Amazon Alexa, Google Assistant
- Application: iOS / Android
- Dimensions: 39.2 x 39.2 x 18 mm
Kit Contents
- OXT Mini Relay Module 1-Channel WiFi
- Mounting bracket