9 Volt Single Level Liquid Sensor
SKU: KDNM4191-1
$54.50Price
The 9 Volt Single Level Sensor is an aid for people with vision impairment to fill cups and glasses with one level of liquid.
The unit simply hangs over the side of a cup or glass with the metal prongs on the inside of the container.
Produces a loud buzzing 400Hz tone with slight vibration.
A standard 9 Volt Battery plugs into the base for easy battery change.
Comes with battery already inserted ready to use.