---
product_id: 541726227
title: "Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home"
brand: "rodot"
price: "£14.50"
currency: GBP
in_stock: true
reviews_count: 12
category: "Rodot"
url: https://www.desertcart.co.uk/products/541726227-ewelink-wifi-wireless-smart-relay-module-usb-5v-12v-24v
store_origin: GB
region: United Kingdom
---

# 2.4G WiFi connectivity Supports 5V to 48V input Alexa & Google Home compatible Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home

**Brand:** rodot
**Price:** £14.50
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your smart home with precision and ease!

## Quick Answers

- **What is this?** Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home by rodot
- **How much does it cost?** £14.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/541726227-ewelink-wifi-wireless-smart-relay-module-usb-5v-12v-24v)

## Best For

- rodot enthusiasts

## Why This Product

- Trusted rodot brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Play Setup:** Quick WiFi configuration with stable 2.4G network support ensures hassle-free integration.
- • **Dual Operation Modes:** Switch between self-locking and customizable inching modes for precise control.
- • **Seamless Smart Control:** Effortlessly manage devices remotely via eWeLink app or voice commands.
- • **Universal Voltage Support:** Operates on USB 5V or DC 7-48V for versatile installation options.
- • **Instant Scene Linkage & Scheduling:** Automate your home with timer on/off and scene linkage features.

## Overview

The Ewelink WiFi Wireless Smart Relay Module (KR0548-1CH) is a versatile, low-voltage smart switch compatible with Alexa and Google Home. Supporting 2.4G WiFi, it enables remote control of appliances via the eWeLink app, offering self-locking and inching modes, timer scheduling, and scene linkage. Its broad voltage input range (5V to 48V) and easy setup make it ideal for modern home automation and access control.

## Description

Product description A Wifi switch relay module with APP remote on/off, smart timing, linked scene, voice control, power-on status setting, inching setting, sharing control, etc. You can use it to work with eWelink app, 2.4G remote control , desertcart Alexa Echo, Google Home, etc. Dimensions: Length 63mmX Width 48mmX Height 20mm Main chip: WIFI module Input voltage: USB 5V/DC 7-48V 1. It has a signal indicator light and a relay pull-in indicator light. 2. The board power consumption is less than 1W and the quiescent current is 80MA 3. The rated switching current is within 10A, and the switching voltage is within 250V. 4. 10A relay 5. The relay life is more than 1,000,000 times. 6. Electrical insulation resistance 100M 7. Electric shock withstand voltage 1000V 8. The maximum pull-in time of the relay is 15mS milliseconds 9. The maximum release time of the relay is 5mS milliseconds 10. Working temperature -40 degrees to +70 degrees 11. Working humidity 40% ~ 80%RH Note: The product is dry contact passive output , the power input (DC) is only for PCBA, the user only needs to provide additional power supply for the load to work as needed. IMPORTANT: 2.4GHz WiFi REQUIRED 2.4GHz WiFi ONLY – Not compatible with 5GHz or 5G networks. Split dual-band router into separate SSIDs (e.g., "Home-2.4G" & "Home-5G") before setup. Please note: The device input interface has now been upgraded to a USB-C port. eWeLink Wifi Relay Module 1CH There are two types of input, USB 5V and terminal wired DC 7V~48V, you only need to choose one of them. There is no voltage output on the output, you need to lead from the input, or provide additional power for the load to use. Relay parameters. 10A/250VAC 7A/250VAC 12A/125VAC eWeLink Wifi Relay Module 2CH eWeLink Wifi Relay Module 4CH Support inching, self-locking and interlocking working modes When in inching mode, you can have two use options. -Automatic off after 1 second on -Automatic on after 1 second off (The duration can be set freely) Inching duration settings: 500ms to 1 hour When in self-locking mode, you can immediately turn on/off the connected device remotely. When in interlock mode (only 2-gang and 4-gang are supported), you can remotely control the AC/DC motor. The product allows remote control of home appliances via the mobile app eWeLink, available on Android and iOS. eWeLink APP control at all times 1 simple APP can easily experience smart home. All ON/OFF Transmitter 1 remote control can control 4 devices, can be turned on and off at the same time. Alexa Echo/Google Voice Control Try out these phrases ( {deviceName} should be the name of your device) "Alexa, turn on {deviceName}" "Alexa, turn off {deviceName}" Also you can ask Google Home to control the device with the following voice commands. "hey, google, turn on {deviceName}" "OK, google, turn off {deviceName}" How to works with IFTTT Search "eWeLink Smart Home" in IFTTT APP. Timing function Timers can be set to turn devices on and off, and cycle times can be set. Take full control of the lights in your home or office by scheduling a timer. In the home, in addition to lamps, other devices can be connected and controlled, such as induction cookers, water heaters, water dispensers, kettles, humidifiers and other household equipment Connect up to 1 device in a single circuit. 2-way up to 2 devices 4-channel connects up to 4 device Another wide range of applications is in motors and motors, such as garage doors, rolling doors, electric fans, agricultural irrigation, etc. If you have a remote control of your own, but struggle with the lack of remote range, you can also use our WiFi relay module to achieve WiFi remote control. And you only need to connect COM and NO to both ends of your remote control's buttons.

Review: Easy to install - Installed on a gate motor, works great, with the wiring diagrams for the boards installation was easy. Instructions are sufficient considering I never did something like that before.
Review: I like this! - Worked as advertised.

## Features

- 【Product Overview】This is a wifi smart switch, users can remotely switch connected home appliances or devices through ewelink APP, support third party voice control such as desertcart ECHO and Google Home and 2.4G light smart remote control, with timer on/off, scene linkage, power on setting, inching setting, sharing control and other functions
- 【Input/Output】Low voltage ewelink APP wifi dry contact relay/passive output, USB 5V input or DC 7~48V positive and negative input.
- 【Working Mode】 Self-locking mode by default, users can switch to inching mode in APP: for example, the device turns on and turns off automatically at 1 second intervals (interval time can be adjusted),it works as wireless button in inching mode,as wireless switch in self-lock latching mode
- 【Voice Control】 Works perfectly with desertcart Alexa, Google Assistant, IFTTT, Google Nes. You need to bind your eWeLink account and sync your device in the corresponding APP. Note: WIFI Relay Module only supports 2.4G WIFI network, 5G WiFi is not supported.
- 【Easy to setup】 with low voltage USB 5V or DC 7-48V,add Smart WIFI control to your home,support 2.4G wifi only,once powered on,please check if light will flash 2 short 1 long,if so,tap Ewelink app to configure directly
- PRODUCT MODEL : KR0548-1CH

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C7QQHMCX |
| Best Sellers Rank | #91,947 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #21 in Home Automation Modules |
| Brand | RODOT |
| Brand Name | RODOT |
| Coil Voltage | 5 Volts (DC) |
| Connector Type | Usb |
| Contact Material | Silver |
| Contact Type | Dry Contact |
| Customer Reviews | 4.5 out of 5 stars 271 Reviews |
| Manufacturer | RODOT |
| Minimum Switching Voltage | 5 Volts (DC) |
| Mounting Type | Surface Mount |
| Number of Terminals | 2 |
| Operation Mode | Automatic |
| Part Number | KR0548-1CH-W-EW |
| Smart Home Compatibility | Smart Home Compatible |
| UPC | 739804214138 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** RODOT
- **Connector Type:** Usb
- **Contact Material:** Silver
- **Contact Type:** Dry Contact
- **Mounting Type:** Surface Mount

## Images

![Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home - Image 1](https://m.media-amazon.com/images/I/71hrOXVe9JL.jpg)
![Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home - Image 2](https://m.media-amazon.com/images/I/71FdkB8kiBL.jpg)
![Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home - Image 3](https://m.media-amazon.com/images/I/71ZwW+bvfjL.jpg)
![Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home - Image 4](https://m.media-amazon.com/images/I/71TUK6KSHfL.jpg)
![Ewelink WiFi Wireless Smart Relay Module USB 5v/12v/24v/48v Inching Selflock Remote ON Off Power Switch for Access Control,Turn on PC, Compatible with Alexa Google Home - Image 5](https://m.media-amazon.com/images/I/316q+YdVPuL.jpg)

## Available Options

This product comes in different **Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to install
*by R***H on March 29, 2026*

Installed on a gate motor, works great, with the wiring diagrams for the boards installation was easy. Instructions are sufficient considering I never did something like that before.

### ⭐⭐⭐⭐⭐ I like this!
*by B***. on May 3, 2026*

Worked as advertised.

### ⭐⭐⭐⭐⭐ Smart control for ceiling fan at home.
*by F***N on January 26, 2026*

Easy set up. Very nice wifi sensitivity brings an stable network communication. It's being used as ceiling fan / lights smart control. Good value/ quality ...

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-10*