The Tanita SR-901 six-pack analyser is an abdominal subcutaneous fat thickness meter designed to help you measure your progress and get a defined 6-pack. It measures thickness of the subcutaneous fat of the abdomen in 5 stages from 0.3cm to 5.0cm (0.1” to 2”). The results are measured and displayed in 0.1cm (0.04”) increments. This fast, compact, and easy to use meter features a clear, user-friendly LCD display and uses BI method (reactance technology) to provide quick and accurate readings. It is lightweight (90g), portable and includes a spray bottle to wet the contacts before each use. The analyser comes with two CR2032 coin-type lithium batteries.