Liquid Level Indicator, Say When 9-Volt

Liquid Level Indicator, Say When 9-Volt
Never again risk the embarrassment and inconvenience of overfilling your dinner glass or coffee mug.  Just hang handy unit on cup/glass lip and pour with complete assurance.  Say When will sound to alert you when liquid level nears top.  Pocket sized, 2-5/8" for convenience. Uses 9-volt replacement battery.

$14.50