Details: ACCU-MEASURE Fitness 3000. Personal Body Fat Tester equipment with Instructions, Measurement Tables and Body Fat Tracking Charts. Measure your own body fat easily & accurately! Gold Standard Accuracy: Measures within 1.1% of gold standard underwater weighing results. Easy to read measurements. Slides and stops at correct reading. Feel and hear the patented click for superior accuracy and reliability. Scientifically tested and doctor approved. Clinically proven accuracy. No dangerous electronic current or false readings. Easy to use-By yourself-on one convenient site. Monitor your fat loss in seconds in the privacy of your own home. So Easy to Use! Just Pinch, Click and Read your body fat percentage on the enclosed charts! Documented Accuracy: A clinical study published in the Journal of Strength and Conditioning Research by the National Strength & Conditioning Association and independently funded by EAS showed that-Self-testing of % body fat with the ACCU-MEASURE was as accurate as results from multi-site measurements and calculations taken by an experienced clinical investigator using a Lange caliper; % Body fat calculations with the ACCU-MEASURE were within 1.1 percentage points of underwater weighing results, the gold standard of body fat measurement.