SONOFF SNZB-05P (Zigbee Water Leak Sensor)

Code: SNZB-05P SNZB-05P-WLDC200 WLDC200 Choose variant
Works with Homey
The average product rating is 5,0 out of 5 stars. 1 rating Rating details
€19,99 €21,99 from €10,50 –27 % –9 % - up to –27 %
Sonoff SNZB 05P
€19,99 €21,99 from €10,50 –27 % –9 % - up to –27 % €14,50 €19,99 €10,50 from €10,50 €11,79 excl. VAT €16,25 excl. VAT €8,54 excl. VAT from €8,54 excl. VAT
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16.06.2026 16.06.2026 16.06.2026 Choose variant
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A compact Zigbee 3.0 water leak and flood sensor. Detects water from just 0.5 mm. Features up to a 5-year battery life and an IP67 rating.

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Product detailed description

SONOFF SNZB-05P – Zigbee Water Leak Sensor (IP67)

Protect your property from unexpected water damage. The Sonoff SNZB-05P is a highly reliable and compact water leak sensor operating on the Zigbee 3.0 protocol. The device can detect water accumulation as low as 0.5 mm, immediately sending a push notification to your smartphone so you can act before expensive damage occurs.

Dual Detection Modes and Extreme Battery Life

The sensor’s innovative design allows it to be used in two distinct orientations—placed face-down, it detects water puddles on the floor; placed face-up, its concave shape catches and detects dripping water from above. The unit boasts an IP67 waterproof rating and features state-of-the-art energy optimization, delivering up to an incredible 5 years of operation on a single battery. Perfect for placing near washing machines, under sinks, or near water boilers.

Technical Specifications:

  • Communication Protocol: Zigbee 3.0 (requires a compatible hub such as Sonoff Zigbee Bridge Pro, iHost, SmartThings, or Homey PRO).
  • Detection Sensitivity: Gold-plated probes detect water levels from just 0.5 mm.
  • Power Supply: Powered by a CR2477 coin battery (up to 5 years of battery life).
  • Durability: IP67 certified (dust-tight and protected against temporary immersion) with UV-resistant materials.
  • Automation: Can be linked with a smart water valve to automatically shut off your main water supply upon leak detection.
  • Dimensions: Space-saving and unobtrusive 48 × 48 × 22 mm design.

Additional parameters

Category: Sonoff Smart Home
Warranty: 2 years
EAN: Choose variant
? Device type: Sensor
? Power supply: Battery
? Wireless protocol: Zigbee
? Device color: White

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MR Avatar of author The product rating is 5 out of 5 stars. | 9.04.2025
Produkt má pripojený dvojmetrový kábel , ktorý sa dá dokúpiť aj zvlášť a napojiť tak ešte veľa ďalších metrov do paralelného zapojenia . Kdekoľvek na úseku kábla príde k zvlhnutiu , tak systém vyhlási poplach. Ten však závisí na tom , ako máte svoj Smart systém nastavený. U mňa doma napríklad ďalší Zigbee ventil odstaví prívod hlavnej vody.

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The Sonoff brand is among the most popular manufacturers of affordable smart home automation. It is famous for its reliable Wi-Fi and Zigbee relay modules, smart plugs, and switches that primarily use the eWeLink app. Thanks to its highly favorable price and broad community of users, Sonoff is an ideal choice for beginners as well as advanced DIY enthusiasts.