Washington digital scale - 0.001g Be accurate, very accurate with this digital scale. This is the scale you will find in most professional labs and industry and is top of the line with a range between 0.001g –50g. It runs off 4 AAA batteries and has a blue back-lit LCD display for easy reading. It also has an auto off function for those who forget what a power button looks like. Size: 9 cm x 13.5 cm (weighing tray-radius 3.5 cm) Range: 0.001g – 50g Units: g/oz/gn/ct/ozt/dwt Colour: White