Tytan A830 LCD Sphygmomanometer (Mercury Free) FEATURES • Mercury free LCD screen easy to reading. • Unique designed of Marking Control Key combined with air release valve let user easy and precise to marking the systolic and diastolic reading on the LCD screen without any time difference. • Large storage space easy to store cuff, inflation bulb and stethoscope in the case. • Two AA batteries. • Choice of single adult cuff or three cuff system that includes child, adult, and large adult. (Wall & mobile units only) • Available in traditional latex, or latex free configurations. • Available in desktop, wall mount or mobile configurations.