Taylor Precision Products Digital Portion Control Scale with Calibration Feature (22-Pound) Portion food by weight with this compact digital scale. Weigh multiple foods and ingredients, even in containers, with the tare and hold functions. Measuring up to 22 pounds in .01-ounce increments, clearly read weights on the large 0.9-inch LCD display. Keep the scale measuring accurately with periodic adjustments using the calibration setting. Power the scale with the included AC adapter or 2 AAA batteries (sold separately) and conserve battery power with the auto off feature and low battery indicator.