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

• An essential assistive aid for the blind and vision impaired
• Great for both hot and cold beverages - beeps and vibrates when liquid reaches the top of a cup or glass
• Adjustable probe height allows you to detect 6 liquid height levels
• Convenient built-in magnet allows you to attach detector to refrigerator door
• Powered by 1 CR2032 battery (included)

An essential assistive aid for the blind and vision impairedReizen