SONOFF S61s
CSA Matter certified (certificate CSA255ADMAT46335-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Aug 17, 2025 · Connectivity: Wi-Fi · Thread border router: Not needed (uses Wi-Fi)
Independent guide. We may earn a commission through affiliate links. Direct non-affiliate links are labeled. How our links work
Amazon
Compare prices
2 stores
SONOFF
Direct, non-affiliate linkNotes
Direct non-affiliate link to SONOFF's US product page for SONOFF iPlug Gen2 Type B Matter Over WiFi Power Meter Smart Plug | S61STPB (1 Pack); GTIN 6979033600881 equals this record's GTIN. Confirm the exact variant, current price and delivery at the retailer.
Check the model, region and pack size at the retailer. Prices and availability are confirmed there.
CSA Matter Certified
Certificate: CSA255ADMAT46335-24Matter Over WiFi Smart Plug
Specifications
- Brand
- Sonoff
- Category
- Plugs
- Protocols
- Wi-Fi
- Certificate ID
- CSA255ADMAT46335-24
- Certificate holder
- Shenzhen Sonoff Technologies Co., Ltd.
- Certified
- Aug 17, 2025
- Firmware
- v1.0
Ecosystem compatibility
Quick answers
- Is the SONOFF S61s Matter certified?
- Yes. MatterCatalog matches it to CSA Matter certificate CSA255ADMAT46335-24, certified Aug 17, 2025.
- Does the SONOFF S61s use Thread or Wi-Fi?
- Wi-Fi. Its catalog record lists Wi-Fi, so it joins your Wi-Fi network and does not need a Thread border router. You still need your platform’s Matter controller.
- Where can I buy the SONOFF S61s?
- MatterCatalog has verified store links for it at Amazon and SONOFF. Check the current price, model and pack size at the store.
From this product’s catalog record, not hands-on testing. Editorial policy
Best Matter Smart Plugs 2026
The best Matter smart plugs for energy monitoring, outdoor use, and more.
Read the full buying guide →
Matter smart plug buying comparison
Certified smart plugs and outlets with two or more US stores each: compare stores, packs and current prices side by side.
Compare stores →
Stay updated
Get notified when new Matter-certified devices launch.
No spam. Unsubscribe anytime.
SONOFF S61s
CSA certified