The external unit of the detection device attaches to an alarm system wired inside a home or building. The inside system sounds a loud alarm as the water rises above the safety zone set on the external unit. The external unit and inside system have backup batteries in case of blackouts.
Included
1 external Unit with ground anchor, removable screw on solar-transmitter
1 Interior Alarm system – this unit connects to your wifi to communicate with the Flood Warning USA App
250 ft of Cat 6 cable
1 9V Solar Battery for the external unit
1 9V Standard Battery for the inside unit