Digital body composition scale that measures body fat percentage and weight. - Brand: Omron - Model Name: HBF-302 - Measurement Functions: Body fat percentage, weight, height - Power Supply: 2 AAA batteries (DC 3V) - Size: Compact design - Display: Digital display Thank you for viewing. The battery compartment is rusty, but operation has been confirmed. There are some scratches on the main unit as it was rarely used and left in storage. Please refrain from purchasing if you are concerned about minor imperfections due to long-term home storage. Only those who understand are kindly requested to consider purchasing.