SONOFF
SONOFF 4CHPROR3
Smart relay switchWi-Fi
$26.21Listed equipment price · lowest price out of stockListing observed 2026-11-07
SONOFF
SONOFF BASICR4 Wi-Fi Smart Switch
Smart relay switchWi-Fi
Retailer listing · 1 offer collected
ITEAD / SONOFF$4.85
Listed equipment price
In stock when checkedView retailer offer Price observation: 2026-11-07 · USDSHOP THE SAME EQUIPMENT
Compare retailer prices.
One exact price collected
1 retailer · 1 offer collected. Prices exclude shipping, tax, and installation. Compare the stock, condition, and date for each offer.
| Retailer | Listed price & quantity | Availability & condition | Observed | Shop |
|---|---|---|---|---|
| ITEAD / SONOFFStore policies & support | $4.85Single item | In stock when checkedNew | Source date 2026-11-07 | View offer |
WHAT WE ACTUALLY OBSERVED
Prices have a history.
Observations keep their original source dates and purchase scopes. Historical lows are separate from current availability. Unpriced and configuration-dependent offers are never treated as exact-price lows.
ITEAD / SONOFF · Single item · price & stock history
Open to load this exact offer’s dated source observations.
Standards evidence.
No exact-model certification record has been reviewed for this listing in our evidence collection. This does not establish whether the product is certified.
How to verify the model and scopeTHE DETAILS THAT MATTER
A clearer look at the specifications.
| Specification | Listed value | Source |
|---|---|---|
| Device function | Smart relay switch | Manufacturer documentationReviewed 2026-11-07 |
| Device communication protocols | Wi-Fi | Manufacturer documentationReviewed 2026-11-07 |
| Documented platform integrations | eWeLink | Manufacturer documentationReviewed 2026-11-07 |
| Documented local functions | YesOnly the documented eWeLink-Remote local scene path with compatible paired device(s). This does not establish all functions offline. | Manufacturer documentationReviewed 2026-11-07 |
| Controller / hub requirements | Requires a compatible eWeLink-Remote gateway device for the documented local-control path. | Manufacturer documentationReviewed 2026-11-07 |
| Minimum AC supply voltage (V AC) | 100 | Manufacturer documentationReviewed 2026-11-07 |
| Maximum AC supply voltage (V AC) | 240 | Manufacturer documentationReviewed 2026-11-07 |
KEEP EXPLORING
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