This Liquid Level Detector is an essential portable aid for the blind that beeps and vibrates when the liquid reaches the top of a cup or glass.
Easy as 1-2-3:
1) Hang the sensor on the cup;
2) Add beverage;
3) When the drink reaches the level of the probe, the buzzer will beep and the detector will vibrate.
Note: When liquid level reaches the short probe (indicating a high liquid level), the beeping sound and vibration will accelerate.
Dimensions: 26.2 mm (W) x 27 mm (D) x 53 mm (H)
CE and RoHS compliant