---
product_id: 551174369
title: "4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home"
brand: "mhcozy"
price: "$1910"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/551174369-4-channel-usb-5v-ac-85-250v-smart-wifi-wireless
store_origin: MX
region: Mexico
---

# Customizable timer from 2s to 1h Wide voltage range 5V DC to 250V AC 4-channel WiFi & Bluetooth control 4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home

**Brand:** mhcozy
**Price:** $1910
**Availability:** ✅ In Stock

## Summary

> 🔗 Connect, Control, Conquer your smart home effortlessly!

## Quick Answers

- **What is this?** 4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home by mhcozy
- **How much does it cost?** $1910 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/551174369-4-channel-usb-5v-ac-85-250v-smart-wifi-wireless)

## Best For

- mhcozy enthusiasts

## Why This Product

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

## Key Features

- • **Four Independent Channels:** Control multiple devices or zones with self-lock, momentary, or interlock modes
- • **Effortless Setup & Sharing:** Quick Bluetooth pairing and family sharing via Tuya Smart Life app
- • **Voice-Activated Convenience:** Works effortlessly with Alexa, Google Home, and Siri for hands-free control
- • **Smart Scheduling & Automation:** Create custom scenes with countdown, sunrise/sunset, and loop timers
- • **Seamless Multi-Protocol Control:** WiFi, Bluetooth & 433MHz RF compatibility for ultimate flexibility

## Overview

The MHCOZY 4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module empowers you to automate and control up to four devices remotely via WiFi, Bluetooth, or RF. Compatible with Tuya Smart Life app and voice assistants like Alexa, Google Home, and Siri, it supports versatile working modes and customizable timers, making it perfect for smart garage doors, curtains, shutters, and more. Compact and easy to install, it’s the ultimate upgrade for a connected, efficient home.

## Description

4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home

## Features

- WIFI RF Bluetooth 220V Smart clean contact Relay,Smart life tuya app wifi remote & 433Mhz RF Bluetooth remote .Easy to configure to Smart life app,working voltage is DC 5V or AC 85-250V.
- Widely Usage,MHCOZY 4 channel WIFI Relay,with 3 working mode,self-lock Momentary and Interlock mode,you can set mode as channel,adjust momentary time from 2 second to 1 hour in Smart life app.DIY WIFI Garage Door Opener,Automate chicken hoop door shutter blind curtain
- Easy to setup with,add Smart WIFI control to your home,support 2.4G wifi only,once powered on,your phone bluetooth will find it asap,tap to configure with Smart life app.To active bluetooth remote,block the relay in your router setting after paired with tuya app,programe or remove fixed 433Mhz RF(not included) in smart life app also.
- Schedule Timing function and share control,create schedule smart scenes,support countdown/sunrise/sunset/loop timer,happy share control with family
- Voice control,work with alexa assistant Nest,create smart scene in tuya app then use your Siri to control your device when busy

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Mic technology co.,ltd |
| Part number | EE |
| Item Weight | 100 g |
| Product Dimensions | 7.87 x 7.87 x 2.92 cm; 100 g |
| Item model number | ESMT106 |
| Material | Acrylonitrile Butadiene Styrene |
| Item Package Quantity | 1 |
| Plug profile | Door Mount |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Connector type:** USB
- **Contact material:** Silver
- **Contact type:** Normally Open
- **Current rating:** 10 Amps
- **Mounting type:** Door Mount

## Images

![4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home - Image 1](https://m.media-amazon.com/images/I/41SKMNQX1PL.jpg)
![4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home - Image 2](https://m.media-amazon.com/images/I/51vsdp6W80L.jpg)
![4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home - Image 3](https://m.media-amazon.com/images/I/61Oal776OQL.jpg)
![4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home - Image 4](https://m.media-amazon.com/images/I/514S+Dt1dEL.jpg)
![4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Work with Alexa Google Home - Image 5](https://m.media-amazon.com/images/I/41e4RO+LQ8L.jpg)

## Frequently Bought Together

- MHCOZY 4 Channel USB 5V AC 85-250V Smart WiFi Wireless Dry Contact Relay Switch Module,Tuya Smart Life app Remote Control,Compatible with Alexa Google Home
- Shelly 1 Mini Gen3 | WiFi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible with Alexa & Google Home | iOS Android App | No Hub Required | Dry Contacts (2 Pack)

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**Shop now:** [https://www.desertcart.mx/products/551174369-4-channel-usb-5v-ac-85-250v-smart-wifi-wireless](https://www.desertcart.mx/products/551174369-4-channel-usb-5v-ac-85-250v-smart-wifi-wireless)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-02-04*