State-of-the-art technology with the accuracy - precision - safety and convenience essential for effective patient self-monitoring of their coagulation levels (PT/INR) -Compact hand held design and battery operation mean that you can take it anywhere and use it whenever you need to. It has large graphic display and easy to follow operation make it easy to use -Kit Contents: CoaguChek XS meter, CoaguChek Softclix lancing device, 20 Accu-Chek Softclix Pro Lancettes , 4 x AAA batteries. Carry case (which allows the patient to keep all items including 1 vial of test strips in their proper place) and complete manuals both in English and French We have 2 monitors and only need one. We've found the result is quite accurate comparing to the lab result. Its about 2 and a half year old paying about $500 at that time. It comes with everything, all you need is the test strips.