--- product_id: 774387521 title: "4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home" brand: "yongness" price: "NT$1137" currency: TWD in_stock: true reviews_count: 8 category: "Yongness" url: https://www.desertcart.tw/products/774387521-4-channel-wifi-intelligent-switch-interlock-switch-usb-5v-ac store_origin: TW region: Taiwan --- # eWeLink app remote control 2.4GHz WiFi only 2200W max power output 4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home **Brand:** yongness **Price:** NT$1137 **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your smart home game with 4-channel power & total control! ## Quick Answers - **What is this?** 4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home by yongness - **How much does it cost?** NT$1137 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/774387521-4-channel-wifi-intelligent-switch-interlock-switch-usb-5v-ac) ## Best For - yongness enthusiasts ## Why This Product - Trusted yongness brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Reliable & Robust:** Handles up to 2200W/10A with stable 2.4GHz WiFi connectivity—perfect for smart home pros. - • **Flexible Power Options:** Supports USB 5V or AC 85-250V powering for versatile installation. - • **Seamless Smart Control:** Manage 4 channels remotely via eWeLink app or voice with Alexa & Google Home. - • **Customizable Operation Modes:** Choose self-locking, inching (0.5s-1hr), or interlock modes to fit any smart home setup. - • **Effortless Scheduling & Sharing:** Set routines, share device access, and group manage for ultimate convenience. ## Overview The 4 Channel WiFi Intelligent Switch is a versatile smart relay supporting 2.4GHz WiFi and controlled via the eWeLink app or voice assistants like Alexa and Google Home. It offers three working modes—self-locking, inching, and interlock—with adjustable timing, powering devices up to 2200W. Compatible with USB 5V or AC 85-250V power sources, it enables remote control, scheduling, device sharing, and group management, making it an essential upgrade for any connected home. ## Description This smart switch only supports 2.4G WIFI network，Only supports eWeLink APP, DIY smart home, control your home appliances or electrical devices anytime, anywhere, no programming required. Note: Before adding a device, please turn on the Bluetooth function of your smartphone, please make sure to bring the relay close to the router, and your phone is connected to the same 2.4G WIFI when pairing. Warm Tips: If your router has dual-band in one function, please turn off 5G WIFI first. Usually, once the relay is powered on, the indicator light will flash quickly, and it will automatically enter the fast pairing mode. There is no need to long press the pairing button. Click "+" in the eWeLink application, select Add Device, enter the correct password of your wifi network according to the prompt, select the discovered device, and complete the device addition. Note: This relay is a switch with passive output, and the power input (AC/DC) is only for PCBA power supply. Product parameters: Two working voltages: AC 85V~250V or USB 5V Maximum power: 2200W/10A Wireless standard: Wi-Fi 2.4GHz b/g/n+Bluetooth Working temperature: -20℃~70℃ Dimensions: 81*78*29mm (with shell) Working mode: 1. Instantaneous mode: Two wiring methods can be selected, - automatically close after opening for 1 second, or automatically open after closing for 1 second. 2. Self-locking mode: Press the button to turn on the device, and the device will turn off only when the button is pressed again. 3. Interlock mode: Whenever one device is turned on, the other devices are turned off at the same time (only supports 2-channel and 4-channel) Supported functions include: * Remote on /off * Timing * Device sharing * Group management * Compatible with desertcart Alexa * Compatible with Google Home Package contents: WiFi smart switch*1, user manual*1 Review: Works great for pool timer using relays. - Easy to connect to relays. I am running my two pool pumps with this device. App works great and is very reliable after months of use. Easy to setup schedule. Review: Alexa Sprinkler Timer - Better than an orbit or rainbird! Use Alexa routines instead, works great. ## Features - Use eWelink App on Android and iOS to remotely control the on/off of home appliances anywhere there is a network. This wifi switch is also compatible with Alexa / compatible with Google Assiatant, you can use voice control to turn on/off home appliances. You can also set routines in Alexa or Google Home to make operation more convenient - Working mode: eWeLink 4 channel smart WIFI relay switch, with 3 working modes, self-locking mode, inching mode and interlocking mode, you can adjust the inching time from 0.5 seconds to 1 hour in the app. - The smart switch defaults to self-locking mode. In self-locking mode, press the button on the APP, the relay turns on, and when the button is pressed again, the relay will turn off. In inching mode, press the button on the APP, the device turns on and automatically turns off after 1 second. Turn on one device in interlocking mode, and the other devices will turn off (only 2-channel and 4-channel devices are supported) - Wide range of use, DIY your smart home through Tuya Smart APP/Smart Life APP, use this smart relay switch to make traditional home appliances smart, fans, garage doors, humidifiers, thermostats, etc. Other functions such as schedules, device sharing, group management are also provided. - Power the device through USB 5V or AC 85-250V. The smart WiFi switch only supports 2.4G WIFI networks, and does not support Mesh WiFi systems and 5G WiFi networks. When pairing, make sure your smartphone is connected to a 2.4G WIFI network, and make sure it is close to the router. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DQ7365YN | | Best Sellers Rank | #835,173 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #988 in Electrical Outlet Switches | | Date First Available | December 11, 2024 | | Item Weight | 3.84 ounces | | Manufacturer | yongness | | Package Dimensions | 3.35 x 3.07 x 1.26 inches | ## Product Details - **Brand:** yongness - **Color:** eWeLink APP - **Manufacturer:** yongness - **Smart Home Compatibility:** Smart Home Compatible ## Images ![4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home - Image 1](https://m.media-amazon.com/images/I/51GmsZ7-sZL.jpg) ![4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home - Image 2](https://m.media-amazon.com/images/I/71ifAjuj9uL.jpg) ![4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home - Image 3](https://m.media-amazon.com/images/I/71TLc6Qm5xL.jpg) ![4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home - Image 4](https://m.media-amazon.com/images/I/61+aaYUXbDL.jpg) ![4 Channel WiFi Intelligent Switch,Interlock Switch USB 5V/AC 85V-250V Passive Output Inching self-Locking Switch eWeLink App Control Compatible with Alexa/Google Home - Image 5](https://m.media-amazon.com/images/I/71-0dRyyJ6L.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great for pool timer using relays. *by C***L on August 15, 2025* Easy to connect to relays. I am running my two pool pumps with this device. App works great and is very reliable after months of use. Easy to setup schedule. ### ⭐⭐⭐⭐⭐ Alexa Sprinkler Timer *by T***Y on August 26, 2025* Better than an orbit or rainbird! Use Alexa routines instead, works great. ### ⭐⭐⭐⭐ Works well, disable location in the app, no momentary mode *by P***B on August 9, 2025* Works decent.. I have two air conditioners in my house one of my living room with a Wi-Fi feature app and all that in one of my bedroom that doesn't but it still has the digital buttons I have removed the front panel looked at the circuit board with the buttons and lights and all that in the front of the air conditioner figured out back side of each button power and eco for now solder two white wires to the power button and two black wires to the Eco button ran them out the front of the air conditioner as I put it back together hook the two white wires to the first relay common and normally open and help the two black wires to the second relay same way,.. it does not have a momentarily feature so when you hit on that relay it stays on until you hit it again to turn it off.. also disabled the location I don't know how far it goes but it goes into sleep mode if you go too far if you don't disable the location in the app --- ## 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.tw/products/774387521-4-channel-wifi-intelligent-switch-interlock-switch-usb-5v-ac](https://www.desertcart.tw/products/774387521-4-channel-wifi-intelligent-switch-interlock-switch-usb-5v-ac) --- *Product available on Desertcart Taiwan* *Store origin: TW* *Last updated: 2026-05-15*