SONOFF
SONOFF 4CHPROR3
Smart relay switchWi-Fi
$26.21Listed equipment price · lowest price out of stockListing observed 2026-11-07
SONOFF
SONOFF POWCT Split-Core CT Smart Energy Monitor
Energy monitorPower meteringWi-Fi
Retailer listing · 1 offer collected
ITEAD / SONOFF$34.90
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 | $34.90Single 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 | Energy monitor | Manufacturer documentationReviewed 2026-11-07 |
| Device communication protocols | Wi-Fi | Manufacturer documentationReviewed 2026-11-07 |
| Documented platform integrations | eWeLink | Manufacturer documentationReviewed 2026-11-07 |
| Electrical power / energy metering | Yes | Manufacturer documentationReviewed 2026-11-07 |
| Device power source | 100–240 V AC, 50/60 Hz, 2 W | Manufacturer documentationReviewed 2026-11-07 |
| Dry-contact output | Yes | Manufacturer documentationReviewed 2026-11-07 |
| Wireless band | 2.4 GHz | Manufacturer documentationReviewed 2026-11-07 |
| Maximum measured current (A) | 100Current-transformer sensing range; this is not switched-load capacity. | Manufacturer documentationReviewed 2026-11-07 |
| Relay contact current rating (A) | 2Dry-contact relay output for a separate contactor; this is not the 100A CT sensing range. | 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 |
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