This clinical blood pressure monitor offers high-precision systolic, diastolic, and pulse rate measurements on a digital LED screen. It has an arm sleeve that adjusts to fit circumferences from 8.7" to 16.5" and features detection for proper cuff wrapping. The price drops from $39.99 to $27.99 to $8.40 when you apply the coupon code "702E6TRF" at checkout. Shipping is free for prime members or on orders over $25.