BODY MASS INDEX WEIGHING SCALE Automatically Measures Weight, Height And Body Mass Index Accurately And Rapidly. Display Weight, Height And Body Mass Index. It Also Display, Simultaniously, How Much Over / Under Weight You Are. It Comes With Following Accessories Like Thermal Printer Can Print Date, Time, Weight, Height, BMI And Amount Of Overweight/Underweight. Coin Selector To Operate The Scale Only On Insertion Of Coin. Voice (Audio) Output. RFID Card Reader. GSM Interface For SMS Sending.