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Side-by-side comparison · Updated for 2026

Bluetooth Water Leak Sensors

Looking for water leak sensors with Bluetooth? Compare features, specs, and top-rated models to find the best one for your smart home in 2026.

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8
Products
6
Brands
32%
Top discount
Filters:All
  • Basic Information
  • Rating
  • Reviews
  • Launch Year
  • Warranty
  • Model
  • Company
  • Brand
  • Headquarters
  • Size & Materials
  • Weather Resistance
  • Dimensions
  • Weight
  • Included accessories
  • Sensor Cable
  • Power
  • Wired
  • Battery Type
  • Battery Life
  • Connectivity
  • 2.4 GHz WiFi
  • 5 GHz WiFi
  • Bluetooth
  • Z-Wave
  • Zigbee
  • Thread Protocol
  • Other
  • Integrations
  • Google Home
  • Alexa
  • Apple HomeKit
  • Samsung SmartThings
  • Home Assistant
  • Matter
  • Sensors
  • Water Leak
  • Temperature
  • Tilt
  • Alerts
  • Water Leak Alerts
  • Temperature Alerts
  • Freeze Temperature Alerts
  • Low Battery Alerts
  • Tamper Alerts
  • Features
  • On Device Alert Sound
  • On Device Alert Light
  • Automations
    • 4.6
    • 17
    • 2026
    • 3 years
    • S4SN-0071Z
    • Shelly
    • Bulgaria
    • IP67
    • Ø3 × 0.9 in
      (Ø77 × 23 mm)
    • 2.5 oz (70 g)
    • NO
    • NO
    • CR123A
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
  • 32% OFF
    Eve Water Guard
    Eve

    Water Guard

    $74.95$109.95
    • 4.5
    • 205
    • 2022
    • 1 year
    • 20EBZ8701
    • Eve
    • Germany
    • YES
    • 1.8 × 2.6 × 2.6 in
      (45 × 65 × 65 mm)
    • 3.9 oz
      (110 g)
    • YES
    • YES
    • -
    • -
    • NO
    • NO
    • YES
    • NO
    • NO
    • Thread Border Router required
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • SOON
    • YES (Sensing cable)
    • NO
    • NO
    • YES
    • NO
    • NO
    • -
    • NO
    • YES
    • YES
    • YES
  • SwitchBot Water Leak Detector
    Best Seller
    SwitchBot

    Water Leak Detector

    $16.99
    • 4.4
    • 1,610
    • 2024
    • 1 year
    • W4402000
    • SwitchBot
    • Hong Kong
    • IP67
    • 1.1 × 1.3 × 3.1 in
      (29 × 32 × 78 mm)
    • 3.8 oz
      (109 g)
    • NO
    • NO
    • 2x AAA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • ?
    • NO
    • YES
    • YES
    • YES
    • 4.3
    • 1,831
    • 2024
    • 1 year
    • W4402000
    • SwitchBot
    • Hong Kong
    • IP67
    • 1.1 × 1.3 × 3.1 in
      (29 × 32 × 78 mm)
    • 3.8 oz
      (109 g)
    • YES
    • NO
    • 2x AAA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • ?
    • NO
    • YES
    • YES
    • YES
  • Shelly Flood Gen4
    Shelly

    Flood Gen4

    $39.99
    • 4.2
    • 283
    • 2025
    • 3 years
    • S4SN-0071A
    • Shelly
    • Bulgaria
    • IP44
    • 3.8 × 3 × 1 in
      (97 × 76 × 25 mm)
    • 3.2 oz
      (91 g)
    • YES
    • NO
    • 4x AA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • 4.1
    • 359
    • 2016
    • 1 year
    • FGBHFS-101
    • Fibaro
    • Poland
    • ?
    • 2.8 × 2.8 × 1.2 in
      (71 × 71 × 29.3 mm)
    • 2.1 oz
      (59 g)
    • NO
    • VDC powered (optional)
    • CR123A
    • 2 years
    • NO
    • NO
    • Apple Homekit required
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • YES
    • ?
    • YES
    • YES
    • YES
    • YES
  • 8% OFF
    Resideo L1 WiFi Water Leak and Freeze Detector
    Honeywell Home

    L1 WiFi Water Leak and Freeze Detector

    $62.23$68.00
    • 3.8
    • 68
    • 2023
    • 2 years
    • CHW3610W8001/U
    • Honeywell Home
    • United States
    • IP44
    • 3.9 × 2.1 × 1.1 in
      (99.4 × 52.4 × 28.6 mm)
    • ?
    • YES
    • NO
    • 2x AA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • ?
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • ?
    • NO
    • YES
    • YES
    • YES
    • -
    • -
    • 2026
    • 1 year
    • MS420H
    • Meross
    • China
    • IP66
    • 1.2 × 1.2 × 3.3 in
      (31.5 × 29.5 × 85 mm)
    • ?
    • YES
    • NO
    • CR123A
    • 4 years
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • MSH450P Hub required
    • NO
    • MSH450P Hub required
    • MSH450P Hub required
    • MSH450P Hub required
    • MSH450P Hub required
    • YES
    • Freezing conditions
    • NO
    • YES
    • NO
    • YES
    • ?
    • NO
    • YES
    • NO
    • YES

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