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 . Two-year battery life. ABS plastic housing. Three-year warranty.