EXPIREDThis deal ended on Oct 8, 2026. It was $9.77 (54% off) at AliExpress.See current price & past deals →

SONOFF SNZB-05P Zigbee 3.0 Water Leak Sensor
Available at AliExpress
Was$9.77$21.24
You can pick up the SONOFF SNZB-05P for $9.77, down from $21.24, so it's roughly half price right now. It offers Zigbee 3.0 leak and drip detection with real-time alerts and works with Home Assistant, Google, and Alexa. Highly rated at 4.9 stars from 570+ reviews, so it's a solid pick if you want simple water detection.
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