Digital Talking Portable Luggage Scale
This Talking Portable Luggage Scale is a perfect personal assistance for the blind and those with low vision to weigh stuff in their daily life. 
Features:
Easy-to-read, large, backlit LCD screen measures 1.65 in. (L) x 1.10 in. (H)
Push-button control allows you to choose the units of measurement: lb, oz, or kg
High precision strain gauge sensors system
Overload alert;
Low battery indication
 
Specs:
Power Supply: 3 AAA batteries (not included)
Display Size: 1.65 in. (42 mm) Length x 1.10 in. (28 mm) Height
Units of Measure: lb, oz, or kg
Maximum Weight: 66 lb (30 kg); Minimum Weight: 1.76 oz (0.05 kg)
Weight Precision: below 5 kg, +/- 0.03 kg; above 5 kg, +/- 0.05 kg
Dimensions: 4.75 in. (12.07 cm) Length x 3.30 in. (8.38 cm) Width x 1.00 in. (2.54 mm) Depth