--- product_id: 250011177 title: "WIFI Wireless Smart Self-lock Momentary Interlock Relay Switch,DIY WIFI App Bluetooth Remote Garage Door Opener Controller" brand: "mhcozy" price: "200 zł" currency: PLN in_stock: true reviews_count: 8 category: "Mhcozy" url: https://www.desertcart.pl/products/250011177-wifi-wireless-smart-self-lock-momentary-interlock-relay-switch-diy store_origin: PL region: Poland --- # 10A High Load Capacity 4-Channel WiFi & Bluetooth Control Adjustable Momentary Time (2s-1min) WIFI Wireless Smart Self-lock Momentary Interlock Relay Switch,DIY WIFI App Bluetooth Remote Garage Door Opener Controller **Brand:** mhcozy **Price:** 200 zł **Availability:** ✅ In Stock ## Summary > 🚪 Unlock Smart Living: Control Your Home with a Tap or Voice! ## Quick Answers - **What is this?** WIFI Wireless Smart Self-lock Momentary Interlock Relay Switch,DIY WIFI App Bluetooth Remote Garage Door Opener Controller by mhcozy - **How much does it cost?** 200 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/250011177-wifi-wireless-smart-self-lock-momentary-interlock-relay-switch-diy) ## 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 - • **Smart Scheduling & Sharing:** Set up to 8 repeatable timers and share remote access with family for synchronized home control. - • **Voice-Activated Convenience:** Compatible with Alexa and Google Assistant—control your garage door or lights hands-free, even when busy. - • **Customizable Operation Modes:** Switch effortlessly between self-lock, momentary, and interlock modes tailored to your automation needs. - • **Robust & Reliable Performance:** Supports 10A load with gold contacts, operates in extreme temps (-40°C to 70°C), ensuring durable smart automation. - • **Seamless Multi-Device Control:** Independently manage 4 appliances via WiFi, Bluetooth, or 433MHz RF for ultimate smart home flexibility. ## Overview The MHCOZY 4-Channel WiFi Wireless Smart Relay Switch empowers you to automate and control up to four devices independently via WiFi, Bluetooth, or RF. Featuring adjustable momentary timing, multiple operation modes, and seamless integration with Alexa and Google Assistant, it offers robust 10A switching capacity with gold contacts for durability. Perfect for DIY smart home projects like garage door openers, curtains, or lighting, it supports scheduling, family sharing, and reliable performance even in low WiFi signal environments. ## Description 4CH WIFI Smart Switch, DIY Smart Home By using the free Smart life/Tuay App wireless control,Control your home appliances or electrical devices anytime and anywhere; WIFI control model, no need to program. No matter where you are, you only need to download a APP to connect the wifi and control the cloud.Features: Two working voltage: USB 5V or AC/DC 7-32V With signal instruction light and relay pull-on instruction light Power <1W, and quiescent current:80mA Cutover current<10A , Cutover voltage<250V 10A Relay Model Working Temperature: -40 to 70degree Working Humidity: 40% to 80% RH Function: 1. Default inching Function: Press the open relay by mobile phone, then cut off the pull-on immediately(default one second), it has the timing-share function at the same time. 2. Self-locking mode: Turn on/off 4 connected devices separately.3. Interlock mode: Turn on one device every time, and turn off others at the same time. Feature:Independently control 4 devices: It is the new 4-channel design which can make you remotely turn on/off 4 home appliances independently Set 8 time schedules for automatic control: It can create 8 enabled single/repeat/ countdown timers to automatically turn on/off devices at the specified time. And the timers can run themselves even the network is unavailableSync Status:Real-time devices status provided to App Voice control Wifi smart switch can work perfectly with Alexa-enabled devices like Echo/Tap/Dot, as well as Google home. Just with a simply voice command, Alexa or Google Assistant will work for you, turning on/off the connected devices at once. Control home appliances or electrical devices with your voice like this:“Alexa, turn on the light.” “Alexa, turn on Garage door.” “Hey Google, turn off the bedroom light.” “ Package included: 1 x 4CH WIFI Wireless Smart Home Relay Switch Module1 x English Instruction Review: Excellent relay, works with alexa, google assistant - We use this to perform some home automation tasks, it took me a while to find out how to set the inching on the relays, you find the settings under the timer option on the Tuya app. They work with low wifi signal, even though it reports in the tuya app, I can ignore it and the rssi is -76 which is fine. Review: Great device for controlling a motor/actuator via an App - The item arrived in one of those card envelopes that fit through the letter box - there wasn’t any box, so I was half suspecting that this wouldn’t work. I wanted a switch to control an actuator / motor via an App, eg, turn the motor one way and then the other. Firstly, ignore the wiring diagram in this listing and draw your own, it’s easier. Once wired up, it worked first time. If it doesn’t work, press the ‘interlock switch’ in the circuit board once, this will solve the issue forever. You can control the motor (or whatever you have attached) via the micro switches in the board, however, installing the App is so quick and surprisingly very easy. It literally took 2 minutes to connect and using the App, I was surprised as these things can be fiddly. I’d definitely buy this again. Oh, don’t forget, this is a 4 channel device, so if like me you’re operating a motor, don’t forget you’re only using this to hall did it’s potential l as you’ve another 2 channels free. Happy project building ! ## Features - Bluetooth Relay,WIFI app 433Mhz RF and Bluetooth remote 4 Channel Smart Relay.Easy to configure to Smart life app,working voltage is DC 5V or AC/DC 7-32 V - Widely Usage,MHCOZY 4 channel WIFI Relay,with 3 working mode,self-lock Momentary and Interlock Switch,you can set mode by channel,adjust momentary time from 2 second to 1 minute in Smart life app.DIY WIFI Garage Door Opener,Automate your shutter blind curtain - Schedule and Share with Family,you can set countdown sunrise Repeat schedule,and easy share phone remote to with your family. - All four relay contacts can be switched independently and by pulse.Individually control 4 device by your phone,433Mhz RF, and Bluetooth if the relay lose wifi connection, - Voice control,One key to link with Alexa Google assistant,use your voice command to control your Garage light when busy ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08M3B1TZW | | Best Sellers Rank | 241,366 in DIY & Tools ( See Top 100 in DIY & Tools ) 3,496 in Switches & Dimmers | | Brand | MHCOZY | | Coil Voltage | 5 Volts (DC) | | Connector Type | USB | | Connector type | USB | | Contact Current Rating | 10 Amps | | Contact Material | Gold | | Contact Type | Normally Open | | Contact material | Gold | | Contact type | Normally Open | | Country Of Origin | China | | Current Rating | 10 Amps | | Current rating | 10 Amps | | Customer Reviews | 4.4 out of 5 stars 364 Reviews | | Manufacturer | mic technology co.,ltd | | Manufacturer Part Number | EE | | Maximum Switching Current | 10 Amps | | Maximum Switching Voltage | 32 Volts | | Minimum Switching Voltage | 7 Volts (DC) | | Model Number | EE | | Mounting Type | Socket Mount | | Mounting type | Socket Mount | | Operating Time | 1 Seconds | | Operation Mode | Automatic | | Specification Met | CE, RoHS | ## Product Details - **Connector type:** USB - **Contact material:** Gold - **Contact type:** Normally Open - **Current rating:** 10 Amps - **Mounting type:** Socket Mount ## Images ![WIFI Wireless Smart Self-lock Momentary Interlock Relay Switch,DIY WIFI App Bluetooth Remote Garage Door Opener Controller - Image 1](https://m.media-amazon.com/images/I/51-q1tkdNhL.jpg) ## Available Options This product comes in different **Pattern** options. ## Questions & Answers **Q: Does this Have Bluetooth connection?** A: No, there is no bluetooth **Q: I do not have any indicators lighting up after connecting to a verified 5v power source. Is my board defective?** A: Yes **Q: I can get it to pair and then it can't find wifi and connect. tried several times. please send me information that is helpful and that I can try?** A: Please make sure you are connecting to 2.4G WIFI,if your router with dual bands and same SSID, please close 5G firstly.and check your phone settings, please allow ewelink to use location service when needed.And please put the relay close to your router,your phone have to connect to the same 2.4G WiFi when pairing.Usually once it’s power up,light will flash 2 short 1 long,which indicates it go to quick pairing mode automatically,no need to long press pairing buttons.If can’t configure with quick pairing mode, please long press pairing button until light quickly flash without pause,indicate go to compatible mode, please tap compatible mode in the bottom of ewelink app and go to next step. **Q: Does the 5v option include rf capability, i.e can the 5v version learn an rf remote** A: Hello,this item don't have rf fucntion,please check another model with asin#B07QZQFZWN,which with rf capability,and include 1 button 433mhz rf remote. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent relay, works with alexa, google assistant *by J***B on 22 July 2023* We use this to perform some home automation tasks, it took me a while to find out how to set the inching on the relays, you find the settings under the timer option on the Tuya app. They work with low wifi signal, even though it reports in the tuya app, I can ignore it and the rssi is -76 which is fine. ### ⭐⭐⭐⭐⭐ Great device for controlling a motor/actuator via an App *by M***. on 5 June 2022* The item arrived in one of those card envelopes that fit through the letter box - there wasn’t any box, so I was half suspecting that this wouldn’t work. I wanted a switch to control an actuator / motor via an App, eg, turn the motor one way and then the other. Firstly, ignore the wiring diagram in this listing and draw your own, it’s easier. Once wired up, it worked first time. If it doesn’t work, press the ‘interlock switch’ in the circuit board once, this will solve the issue forever. You can control the motor (or whatever you have attached) via the micro switches in the board, however, installing the App is so quick and surprisingly very easy. It literally took 2 minutes to connect and using the App, I was surprised as these things can be fiddly. I’d definitely buy this again. Oh, don’t forget, this is a 4 channel device, so if like me you’re operating a motor, don’t forget you’re only using this to hall did it’s potential l as you’ve another 2 channels free. Happy project building ! ### ⭐⭐⭐⭐ returned for refund *by G***. on 12 June 2021* Bought this to replace a 4 channel switch which used the ewelink app which was limited to 8 timer functions but could be upgraded for a n annual subscription of around £10 so as I already had numerous switches on smartlife decided to find an alternative device , am using the to control garden sprinklers and a pond air pump which was limited with the other device to one operation a day as each on off was 2 timer events , this unit has a limit of 30 events which is a great improvement, the pairing operation was amazingly quick and seemed to be automatic with little interaction needed , have had to buy an enclosure , will have to see how this performs. Update seems to keep losing network connection but being less than 16 inches away from netgear wifi booster which manages to reach a camera 45 feet away I can only assume the unit is faulty , rather than sending back I will see if it is teething problems, update still has network problems but works all the same with the built in memory function so will keep as the connection comes back after short time and works ok .update still keeps losing network connection and needs to be turned off and on , so am returning back to amazon. ## Frequently Bought Together - MHCOZY WiFi Wireless Smart Self-Lock Momentary Interlock Relay Switch,DIY WiFi App Bluetooth Remote Garage Door Opener Controller (4ch) - MHCOZY WiFi Smart Switch Relay Module for Home Automation,Add WiFi to Access Control Garage Door,eWelink app Remote Dry Contact,Works with Alexa,Google Assistant (5-32V 4CH) - MHCOZY Updated WiFi Wireless Smart Switch Inching Self-locking Relay Module,Set Inching Time from 0.5 second to 1 Hour,be applied to access control,DIY WIFI Garage Door Opener (Smart life app 2CH) --- ## 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.pl/products/250011177-wifi-wireless-smart-self-lock-momentary-interlock-relay-switch-diy](https://www.desertcart.pl/products/250011177-wifi-wireless-smart-self-lock-momentary-interlock-relay-switch-diy) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*