A Blood Glucose Meter comes with the following advantages,
portable and convenient, yet inexpensive.
short testing time (only 3 – 60 secs depending on different models).
can be a life saver during an emergency.
However, a Blood Glucose Meter does come with the following disadvantages too,
accuracy is a concern as it can be false positive to hypoglycemia (low blood glucose). Immediate measurement to hypoglycemia may seem higher than hyperglycemia (high blood sugar) which makes it less useful.
some models cannot perform test without light.
Certain newer models of Blood Glucose Meter like Optium Xceed by Abbott Diabetes Care, comes with back-light functions which comes in handy when you are in cinema, or if you not want to wake up your partner in the middle of the night.