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Water Level Alert System Battery Powered with Float Sensor Text Email Notific...

Battery-Powered Water Level Alert with SMS & Email Notifications - Float Sensor

Water Level Alert with Text Notifications

Battery-Powered Water Level Alert with Text and Email Notifications – 5 ft Range

Power Failure Detector with Text Message and Email Alerts

WiFi Water Sensors - 110dB Detector with Real-time APP Notifications | White

Wireless Water Level Monitor - Battery Operated with Float Sensor