"Precisely measure the weight of powder, bullets, cases or loaded rounds on the Frankford Arsenal Platinum Series Scale. You can also lay arrows on the podium indentations to easily index your arrow shafts. Simple controls allow you to change the units or tare weights. Easy-to-read high-contrast backlit LCD display shows weight in grains, grams, ounces or carats and is accurate to 1/10 of a grain with a 1,500-gr. capacity. Tare function lets you weigh a container and zero scale for accurate measurements. Automatically shuts off after 180 seconds. Runs on four AA batteries (included) or 110-/220-volt power supply. Includes scale, two calibration weights for a three-point calibration, durable metal powder pan, integrated plastic cover, hard storage case(9""H x 10.75""W x 3.25""D), 110-volt power supply and 220-volt adapter."