Wasting water is not a wise idea. Unfortunately, many of us do it unintentionally. Hydrao is a smart showerhead with LED lights that gives you feedback on your water consumption level as you take a shower. Its lights change color when you pass thresholds. Hydrao uses Bluetooth to connect to your smartphone. A WiFi version is expected to debut in the future.
Hydrao helps you save water on a daily basis. It is powered by the water flow, so you don’t need any battery. The companion app records your progress and lets you change colors and thresholds. More information is available here.
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