2-Stage Liquid Level Indicator
The 2-Stage Liquid Level Indicator will beep when liquid nears the top of a glass or cup. It has three prongs which hold it hanging over the lip of your glass or cup and it then detects liquid at two different levels for low vision & blind individuals. A slow beep will sound as liquid nears the top and a faster, higher pitched beep will sound once it has reached the top. No more glasses or cups flowing over.
Operates on a single 9 volt battery (included).
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