The LifeDop 250 is a cost-effective handheld Doppler that easily locates vessels and detects blood flow. LifeDop Dopplers are designed to be extremely durable, ensuring long-lasting operation. System features:Large heart rate displaySensitive 8 MHz bi-directional probeTwo or four cuffs with aneroidSimple ABI reference documents and videoThe LifeDop 250 Dopplers measure systolic pressures that allow you to calculate ABI and diagnose P.A.D. The LifeDop 250 with four cuffs and aneroid also captures waveforms for reimbursement*.* Exam may meet CPT requirements as defined in the AMA CPT manual.