Portable DETECTO Cardinal Count/Weigh Scales let you complete weighing operations anywhere. Built-in rechargeable battery pack offers up to 200 hours of continuous use. Sleep mode extends battery life. LCD is backlit for easy viewing of weight, piece weight, and count, while the color-coded keypad ensures accurate operation. Internal resolution is 1/300,000 for increased counting and weighing accuracy. Other features include: zero and tare functions, vinyl dust cover, and memory accumulators that help you keep a running total of specific parts.NOTE: Scale weighs load only in the listed increments. For example, 6-lb. capacity scale weighs in 0.0005-lb. increments.