QardioBase Wireless Smart Scale and Body Analyzer - White Color: White Type: WIRELESS SMART SCALE Features: Weight BMI and Body Composition Weight Capacity: 9-396 Lbs Power Source: 8 x 1.5V batteries (Size AAA), supplied. Battery Life: Lasts 1 year with normal use Dimensions: 0.76 in height x 12.5 in width Weight: 4 lbs (1.8kg) including eight AAA batteries