Silver painted ABS plastic platform/stainless steel foot pads/metal base. 50mm/2in LCD display. Weight 160kg/25st 2Ib. Auto shut off. Tap start. 12 user memories. Measures 0.1% body water, 0.1% body fat, BMR (Basal Metabolic Rate) x 1kcal, 0.1% muscle mass. BMI. Child mode. Athlete mode. Size (H)4, (W)31, (D)30.5cm. 4 x AAA batteries included. Low battery warning. Manufacturer's 12 year guarantee.