SONOFF
SONOFF 4CHPROR3
Smart relay switchWi-Fi
$26.21Listed equipment price · lowest price out of stockListing observed 2026-11-07
SONOFF
SONOFF MINI-D Matter Wi-Fi Dry-Contact Switch
Dry-contact relayWi-Fi / Matter
Retailer listing · 1 offer collected
ITEAD / SONOFF$12.90
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 | $12.90Single 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 | Dry-contact relay | Manufacturer documentationReviewed 2026-11-07 |
| Device communication protocols | Wi-Fi / Matter | Manufacturer documentationReviewed 2026-11-07 |
| Documented platform integrations | eWeLink / Amazon Alexa / Apple Home / Google Home / Home Assistant | Manufacturer documentationReviewed 2026-11-07 |
| Device power source | 100–240 V AC OR 12–48 V DC; never connect both supplies | Manufacturer documentationReviewed 2026-11-07 |
| Stated DC motor load limit (W) | 812/24V DC motor load, as stated. No larger AC-motor/HVAC equipment compatibility inferred. | Manufacturer documentationReviewed 2026-11-07 |
| Dry-contact output | Yes | Manufacturer documentationReviewed 2026-11-07 |
| Wireless band | 2.4 GHz | Manufacturer documentationReviewed 2026-11-07 |
| Separate gateway hub required for basic functions | NoNo separate hub for eWeLink; a Matter-compatible hub/controller is required to use Matter ecosystems. | Manufacturer documentationReviewed 2026-11-07 |
| Matter controller required for Matter features | YesFor third-party Matter platforms; distinct from eWeLink standalone use. | Manufacturer documentationReviewed 2026-11-07 |
| Relay contact current rating (A) | 2Output maximum24V DC,2A resistive. AC loads are expressly prohibited by the manufacturer FAQ. | Manufacturer documentationReviewed 2026-11-07 |
| Maximum relay output voltage (V DC) | 24 | Manufacturer documentationReviewed 2026-11-07 |
| Minimum DC supply voltage (V DC) | 12 | Manufacturer documentationReviewed 2026-11-07 |
| Maximum DC supply voltage (V DC) | 48 | Manufacturer documentationReviewed 2026-11-07 |
| Minimum AC supply voltage (V AC) | 100AC supply input. Separate DC supply range12–48V. Neither supply range establishes the output contact voltage. | Manufacturer documentationReviewed 2026-11-07 |
| Maximum AC supply voltage (V AC) | 240AC supply input, not switched AC load capability. | Manufacturer documentationReviewed 2026-11-07 |
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