Detecto's USA-made APEX-SH series eye-level digital physician scales feature touchless sonar height rods and an extra-wide,flat platform measuring 17 in W x 17 in D x 2.75 in H. The apex scale automatically captures patient weight and height readings and displays both onscreen without pushing a single button. The apex features 600 lb x 0.2 lb / 300 kg x 0.1 kg capacity,0.75-inch-high LCD weight readouts,BMI calculation,AC or battery power (AC adapter included on some models),2 RS232 serial ports and 1 micro USB-B port,HL7 IEEE 11073 compliance,Wi-Fi and Welch Allyn connectivity available,and they assemble quickly right out of the box (no tools required).