SONOFF
SONOFF 4CHPROR3
Smart relay switchWi-Fi
$26.21Listed equipment price · lowest price out of stockListing observed 2026-11-07
SONOFF
SONOFF SNZB-05P Zigbee Water Leak Sensor
Water leak sensorZigbee
Retailer listing · 1 offer collected
ITEAD / SONOFF$15.90
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 | $15.90Single 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 | Water leak sensor | Manufacturer documentationReviewed 2026-11-07 |
| Device communication protocols | Zigbee | Manufacturer documentationReviewed 2026-11-07 |
| Separate gateway hub required for basic functions | YesCompatible Zigbee3.0 hub/coordinator required; sensor is not a standalone Wi-Fi alarm. | Manufacturer documentationReviewed 2026-11-07 |
| Documented local functions | YesManufacturer explicitly states Zigbee local scenes can trigger the gateway sound alarm even if Wi-Fi fails. Requires a compatible powered gateway and configured local scene; it does not mean Internet push/email/SMS works offline. | Manufacturer documentationReviewed 2026-11-07 |
| Water-leak sensor | Yes | Manufacturer documentationReviewed 2026-11-07 |
| Device power source | CR2477 3V battery | Manufacturer documentationReviewed 2026-11-07 |
| Minimum device operating temperature (°C) | -10 | Manufacturer documentationReviewed 2026-11-07 |
| Maximum device operating temperature (°C) | 60 | Manufacturer documentationReviewed 2026-11-07 |
| Stated compatible equipment | SONOFF iHost / SONOFF NSPanel Pro / SONOFF ZB Bridge / SONOFF ZB Bridge Pro / SONOFF ZBBridge Ultra / SmartThings Hub V3 | Manufacturer documentationReviewed 2026-11-07 |
| Paid feature conditions | Email alerts require eWeLink Advanced Plan; SMS requires that plan plus configured IFTTT. Local gateway alarm is described separately. | Manufacturer documentationReviewed 2026-11-07 |
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