Designed for portability and accuracy. Features a one-piece, easy to sanitize design that is sturdy and lightweight. To operate, simply turn on the scale and place the patient onto the platform. The weight is quickly locked-on and displayed with our exclusive Weight Lock technology. A beep signals the weight has been locked-on allowing attention to be focused on the patient, rather than the weight display. Features a Reweigh function. Can be shown in kg or lb. Maximum capacity of 45 lbs. Four AA batteries (not included). Two-year battery life. ABS plastic housing. Three-year warranty.- Digital Infant Lactation Scale, Wt. Capacity 45 lb x 0.1 oz (20 kg x 2 g), AC Adaptor, Large Platform 25"L x 11" D with Curved Sides 14-21 Days