(Note: Water Sensor only supports Wi-Fi 2.4GHz, most internet modems support 2.4 / 5.0. If the Alarm is alerted, you need to press the reset button inside the Alarm for 1 sec. then remove the alerts on the phone app so the alarm resets. Alarm works best within 5-10 Ft. of a modem or router.) Connecting Alarm – Set Cell Phone Data to Roaming on then connect Cable Modem to 2.4 GHz.
Installing Wasserstein Premium Smart Water Sensor