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Compare command-based scene controllers with wired-load smart switches, then check ecosystem compatibility, circuit fit, and placement before choosing.
4CH Smart Relay Switch Module
Product details
General specs
Starting from €11.08
Last price update: 5/9/26
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| Brand | eWeLink | Sonoff | Sonoff | eWeLink | Zemismart | |
| Model | KR2201BY | T3US 1C | BASIC-1GS | SRS01 P1TW | ||
| Price | €11.08 | €11.08 | €12.22 | €8.52 | €10.65 | €13.63 |
| Seller | Banggood | Banggood | Alibaba | Banggood | Banggood | Banggood |
| Update | May 9, 2026 | May 9, 2026 | Oct 11, 2026 | Mar 11, 2026 | May 9, 2026 | May 9, 2026 |
| Features | Remote Control, Voice Control, App Real-time Feedback, One-touch Sharing, Intelligent Timing, Wide Compatibility | Remote Control, DIY Timer, Voice Control, Multi Channel Options, Easy Installation | Mini Size, Maximum Power, Real Time Power Monitoring, Easy to Install, Smart App/Voice Control, Wide Compatibility | |||
| Product Name | 30A WiFi Smart Switch | Basic Gen5 | eWeLink Smart WiFi Switch DIY Timer | Smart Relay Switch | ||
