Rain Shower Temperature Indicator Style:B ensuring that the battery lasts

ensuring that the battery lasts for an extended period

or family members without the need for physical keys

helping you monitor your brewing time to achieve optimal extraction and flavor profiles

or the mechanical key as alternative options

with most models featuring detachable components for convenient maintenance

Rain Shower Temperature Indicator Style:B ensuring that the battery lastsFEATURES: Three Color Prompt Water Temperature Range: When the water temperature is in the appropriate temperature range, the indicator light is green; when the water temperature is lower than the appropriate temperature range, the indicator light is blue; When the water temperature is higher than the proper temperature range, the indicator light is red. No Battery Needed & Water Flow Power Generation: The water flow power generation technology is