SwitchBot's Water Leak Detector alerts about leaks, monitors water levels with immersion cable, useful for fish tank, bathtub, sump pump. Hub-free, Wi-Fi operated, price at $17.99 ($19.99 with cable).
The smart leak detector can notify about fish tank drainage, bathtub overflow, sump pump rise. No hub requirement, operates via Wi-Fi, priced at $17.99 ($19.99 with optional cable).
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