SONOFF
SONOFF 4CHPROR3
Smart relay switchWi-Fi
$26.21Listed equipment price · lowest price out of stockListing observed 2026-11-07
SONOFF
SONOFF ZBDongle-E 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 checkedCondition not recorded | 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 |
| Device power source | 5 V DC USB input | Manufacturer documentationReviewed 2026-11-07 |
| Documented local functions | YesFactory coordinator firmware with supported host software permits local Zigbee control. | Manufacturer documentationReviewed 2026-11-07 |
| Separate gateway hub required for basic functions | NoThis is the coordinator radio; a separately powered host computer and compatible software are required. | Manufacturer documentationReviewed 2026-11-07 |
| Documented platform integrations | Home Assistant / openHAB / Zigbee2MQTT | Manufacturer documentationReviewed 2026-11-07 |
| Minimum DC supply voltage (V DC) | 5 | Manufacturer documentationReviewed 2026-11-07 |
| Maximum DC supply voltage (V DC) | 5 | Manufacturer documentationReviewed 2026-11-07 |
KEEP EXPLORING
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