Say When is an audible device that detects liquids and buzzes when the glass/mug is filled. This is ideal for individuals with vision difficulties and prevents over-filling. It is pocket-sized and easy to carry; it uses one 9-volt battery.
Say When is an audible device that detects liquids and buzzes when the glass/mug is filled. This is ideal for individuals with vision difficulties and prevents over-filling. It is pocket-sized and easy to carry; it uses one 9-volt battery.