--- product_id: 425342660 title: "4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home" brand: "mhcozy" price: "€ 3.38" currency: EUR in_stock: true url: https://www.desertcart.com.cy/products/425342660-4-channel-wireless-smart-dry-contact-relay-switch-automation-garage store_origin: CY region: Cyprus --- # Customizable timer & scheduling Dual voltage: DC 5V & AC 85-220V 4-channel Zigbee 3.0 connectivity 4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home **Brand:** mhcozy **Price:** € 3.38 **Availability:** ✅ In Stock ## Summary > 🏠 Elevate your smart home game — control everything, effortlessly! ## Quick Answers - **What is this?** 4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home by mhcozy - **How much does it cost?** € 3.38 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/425342660-4-channel-wireless-smart-dry-contact-relay-switch-automation-garage) ## 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 - • **Multi-Mode Versatility:** Switch between locking, momentary, and interlock modes for tailored automation. - • **Robust & Reliable Power:** Supports both USB 5V and high-voltage AC inputs for flexible installation. - • **Voice-Activated Freedom:** Hands-free operation via Alexa & Google Home integration. - • **Seamless 4-Device Control:** Individually manage garage doors, blinds, and more with precision. - • **Smart Scheduling & Sharing:** Set timers, loops, and share control with family for ultimate convenience. ## Overview The 4-Channel Wireless Smart Dry Contact Relay Switch by Mic Technology is a compact, versatile automation hub compatible with Tuya Zigbee 3.0 and voice assistants like Alexa and Google Home. It supports four independent channels, dual voltage inputs (DC 5V and AC 85-220V), and multiple operation modes to automate garage doors, blinds, and other devices. With built-in 433 MHz RF receiver support, customizable timers, and family sharing features, it offers a seamless, hands-free smart home experience. ## Description Please note: if it appears in the Tuya app, but cannot be triggered via the app. As your Tuya Smart Life app Zigbee Hubs needs to be updated, the manufacturer will not send an update notification. Please send us or the seller your ZigBee Hub Device ID. We will contact Tuya and send you a firmware update notification. MHCOZY ZigBee Smart Switch, DIY Smart Home, Control your household appliances or electrical devices anytime and anywhere. Why choose Zigbee? Absolute privacy. Works with Tuya Zigbee Hub Features: Dual operating voltage: USB 5V or AC / 85-220V Power <1W, Standby Current:80mA Isolating current: <10A, isolating voltage: <250V 10A Relay Model Operating temperature: -40 to +70 °C. Humidity: 40% to 80% relative humidity. Function: 1. Default power function: press the open relay with the phone, then turn off the retraction immediately (by default one second). 2. Self-locking mode: trigger for switching on and off connected devices. 3. Interlock mode, WiFi remote control motor forward and backward. Voice control. WiFi Smart Switch works perfectly with Alexa-enabled devices such as Echo/Tap/Dot as well as Google Home. Only with a simple voice command, Alexa or Google Assistant works for you and turns the connected devices on/off at the same time. Control household appliances or electrical devices with your voice like this: "Alexa, turn on the light. "Turn on Alexa, garage door". "Hey Google, turn off the bedroom light." " Box contents: 1 x ZigBee Wireless Smart Home Relay Switch 1 x user manual (English language not guaranteed). Not in ## Features - Easy to set up, works with the Tuya Smart Life Zigbee Gateway Hub. Once the Tuya app is configured then you can control all 4 channels or each channel individually. When connected directly to the Alexa app via the Echo device, it is only detected as 1 channel - Automate your garage door roller shutter curtain with 3 working modes, in locking mode works as a wireless switch, momentary mode works as a wireless button, interlock mode wireless remote control blind curtain and press the mode change button to set the working mode - Voice control, works with desertcart Alexa and Google Home devices for complete voice control, remote control and intelligent timing. Free your hands. With built-in 433 MHz RF receiver, supports fixed learning code 433 MHz RF (not included) - 220V 4CH Zigbee 3.0 Smart Relay Operating Voltage DC 5V or AC 85-220V, ZigBee Dry Contact Relay (No Voltage in Output), Turn 4 Devices On and Off Individually Alexa integrates your home automation, with ABS housing - Timer and schedule. Set countdown/loop timer schedule for convenient life, share control with your family, create an intelligent scene with your other smart device ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Mic technology co.,ltd | | Part number | ZG003220 | | Item Weight | 122 g | | Product Dimensions | 7.11 x 7.37 x 2.79 cm; 122 g | | Item model number | ZG003 | | Plug profile | Door Mount | | Switch style | Smart Switch | | Specification met | ABS, RoHS | | Batteries included? | No | | Batteries Required? | No | ## Product Details - **Connector type:** Through Hole - **Contact material:** Silver - **Contact type:** Normally Open - **Current rating:** 10 Amps - **Mounting type:** Door Mount ## Images ![4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home - Image 1](https://m.media-amazon.com/images/I/41BSaxwwW+L.jpg) ![4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home - Image 2](https://m.media-amazon.com/images/I/51-k8MvQhBL.jpg) ![4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home - Image 3](https://m.media-amazon.com/images/I/51+-XjGX6LL.jpg) ![4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home - Image 4](https://m.media-amazon.com/images/I/51ctkR22vqL.jpg) ![4-Channel Wireless Smart Dry Contact Relay Switch, Automation for Garage Doors & Blinds, Works with Tuya Zigbee Hub & Alexa/Google Home - Image 5](https://m.media-amazon.com/images/I/5141Vd18c3L.jpg) ## Frequently Bought Together - MHCOZY 4 Channel 85-220V ZigBee Relay Switch with Clean Contact, Adjustable Self-Lock and Momentary Interlock Working Mode,Automate Garage Gate Door Blind(Zigbee Hub Needed) - Aqara Temperature and Humidity Sensor, Requires AQARA HUB and Not Support Third Party Hubs, Zigbee, for Remote Monitoring and Home Automation, Compatible with Apple HomeKit, Alexa, Works with IFTTT - SONOFF Zigbee 3.0 USB Dongle Plus-E Gateway, Universal Zigbee USB Gateway with Antenna for Home Assistant, Open HAB, Zigbee2MQTT etc, Wireless Zigbee 3.0 USB Adapter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/425342660-4-channel-wireless-smart-dry-contact-relay-switch-automation-garage](https://www.desertcart.com.cy/products/425342660-4-channel-wireless-smart-dry-contact-relay-switch-automation-garage) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-04-23*