Equipped with a high precision strain guage sensor system Capacity:3kg/5kg Graduatioin:1g Basic Standard and tare function LED backlight Unit:kg/g/lb/oz Auto off&Manuall off. Power: 2xAAA batteries(not incl) Material:ABS Unit Size for scale:15x4.8x22cm Unit Size for bowl:18x6.3x18cm Unit Size for box:19.5x19.5x12.5cm