Newton Professional Heavy-Duty Portable Electronic Hanging Scale Blue 40kg/10g This scale needs only two AAA batteries, compared to those scales with three AAA batteries in market, is the most power saving. Super large LCD display: 3.3 * 2.0 cm LCD display. 40 kg Range: Accuracy is 10 grams, the error is 10 grams (two decimal places, and the end one only displays 0,2,4,6,8). Material: plastic and electronic components.