A HOLD feature is added when the readout is covered, freezing the weight when the food is removed. The glass platform will not stain or absorb odors and is tempered for safety. A 1.0" blue backlit readout is crisp and bright. The scale offers flexible weighing options; The add and weigh "tare" function allows the weight of the container to "zeroed out" before adding food. Auto or manual shut off. Operates on two AAA batteries, included.