This scale has a rechargeable battery with an estimated battery life of 80 to 100 hours per charge. It has a generously sized 9.5" x 6.5" removable stainless steel platform with a plastic body. It can weigh in the following units: pounds, ounces, grams and kilograms. Measures in increments of .05 ounces (or 1 gram) and up to 13 pounds (or 6000). An easy to read backlit display and with an AC power adapter included.