Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Uses an excellent hydraulic system and has the added advantage of an easy-to-read LCD display * Features an electronic zero calibration system, a power management system that assures at least 1000 hours of use without changing the two AA batteries, a low battery light and an automatic shut-off * Push button console includes a button to zero the last maximum reading stored in memory, a maximum button to display the highest reading since the last press of the maximum clear button, and a Lbs/Kg toggle button to change the measurement reading *