Includes 2x3V CR2032 lithium battery . High precision strain gauge sensor that measures weight, water percentage and body fat percentage . 10 Memory settings (store up to 10 users) . Auto switch off . Low battery indicator . LCD display . Body fat graduation: 0.1 percent . Age range for body fat: 10 - 80 . Height range: 100 cm. - 220 cm./ 3 ft. 3.5 in. - 7 ft. 2.5 in. . Height division: 1 cm./0.5 in. . Height unit: cm./ft. - in. . Precise weight division: 0.2 lbs. . Digital display of weight: kg./lb./st . Minimum effective weight: 0.2 lbs. . Maximum weight capacity: 150 kg./330 lbs. . No assembly required . 12 in. L x 12 in. W x 1.5 in. H . Owner Manual The Whynter BH-2100 body fat and water monitor scale is a highly durable and precise measurement device. Its neutral design and finish gives it the ability fit perfectly is any surrounding. With an easy foot-tap switch you can activate the unit with minimal effort. It also comes with ten person memory recall features. Just enter your age, gender and height and step on the scale, the scale will accurately calculate your weight in lb/kg/st, body fat percentage and water percentage in seconds.