SONOFF
SONOFF 4CHPROR3
Smart relay switchWi-Fi
$26.21Listed equipment price · lowest price out of stockListing observed 2026-11-07
SONOFF
SONOFF ZBDongle-P Zigbee 3.0 USB Coordinator
USB coordinatorZigbee / USB
Retailer listing · 1 offer collected
ITEAD / SONOFF$19.90
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 | $19.90Single 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 | USB coordinator | Manufacturer documentationReviewed 2026-11-07 |
| Device communication protocols | Zigbee / USB | Manufacturer documentationReviewed 2026-11-07 |
| Documented platform integrations | Home Assistant / Zigbee2MQTT | Manufacturer documentationReviewed 2026-11-07 |
| Documented local functions | YesOfficial product description explicitly supports local Zigbee control with ZHA or Zigbee2MQTT on a separate host. No firmware replacement is needed for the preflashed coordinator mode. | Manufacturer documentationReviewed 2026-11-07 |
| Separate gateway hub required for basic functions | NoThis product is the Zigbee coordinator. A separately powered compatible computer/server and ZHA or Zigbee2MQTT are required; it is not a standalone hub. | Manufacturer documentationReviewed 2026-11-07 |
| Device power source | 5 V DC USB,100mA maximum | Manufacturer documentationReviewed 2026-11-07 |
| Stated compatible equipment | Home Assistant ZHA / Zigbee2MQTT | Manufacturer documentationReviewed 2026-11-07 |
| Wireless band | 2.4 GHz | Manufacturer documentationReviewed 2026-11-07 |
| Minimum DC supply voltage (V DC) | 5USB DC input. | Manufacturer documentationReviewed 2026-11-07 |
| Maximum DC supply voltage (V DC) | 5 | Manufacturer documentationReviewed 2026-11-07 |
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