WEIGHING Slim, lightweight and easy to use. Ideal for postal weighing and light production. G/OZ/LB:OZ/N convertible. Large, backlit LCD display. Simple two-button operation. Auto shut-off and battery indicator. Runs up to 1,000 hours on included 3 AA batteries. Optional AC Adapter sold separately.ULINE offers over 41,000 boxes, plastic poly bags, mailing tubes, warehouse supplies and bubble wrap for your storage, packaging, or shipping supplies.