Sonoff 4CHPROR3 Wi-Fi Smart Switch 4-Channel Din Rail Mounting: Independently control 4 devices
Meet the SONOFF 4CH Pro R3 Wi-Fi Smart Switch – your home's new best friend for automation. With its clever 4-channel setup, you can juggle up to four appliances remotely, no sweat. And it's not just about turning things on and off; this gadget plays it smart with three modes: self-locking (for those 'set and forget' moments), interlock (because sometimes devices need to talk to each other), and inching (perfect for quick, temporary control). Whether you're team WiFi or prefer the old-school 433MHz RF remote, it's got you covered. Plus, with the ability to schedule up to eight automatic operations, it's like having a personal butler for your gadgets.
And here's the kicker: it buddies up with Amazon Alexa and Google Home, so you can boss your appliances around with just your voice. Safety? Check. Its flame-retardant PC shell means it's tough enough to handle the heat. Share the control, set up schedules, or dive into creating custom smart scenes – this switch is all about making your home smarter, not harder.
Features
- 3 powerful working modes
- 2 remote control methods
- Set 8 time schedules for automatic control
- Works with Alexa & Google Home, IFTTT Supporting
- Independently control 4 devices
General specs
- Brand: Sonoff
- Model: 4CHPROR3
- Seller: Amazon
- ID: B08BHWF8KD
- Product Dimensions: 5.71 x 3.54 x 1.57 inches; 3.53 ounces
- Item Model Number: 4CHPROR3
- Date First Available: June 19, 2020
- Country of Origin: China
- Customer Reviews: 4.5 out of 5 stars from 278 ratings
- First listed by seller: 6/12/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Shipping options
United States
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| Brand | Sonoff | eWeLink | Sonoff | Tuya | eWeLink | Bkiyougo |
| Model | 4CHPROR3 | RFR2 | TYW0 4ch RF | KR2201BY | ||
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| Price | $31.59 | $12.44 | $12.89 | $16.93 | $12.95 | $23.99 |
| Seller | Amazon | Banggood | Amazon | Banggood | Banggood | Amazon |
| Update | Mar 11, 2026 | Mar 11, 2026 | Mar 11, 2026 | Mar 12, 2026 | Mar 12, 2026 | Mar 11, 2026 |
| Control Method | WiFi, Mobile App | Remote | Mobile App (eWeLink) | |||