In recent years, it has become a more common occurrence for people to purchase a home breathalyzer or portable breathalyzer. These breathalyzer instruments are meant to measure the blood alcohol content of people that have consumed alcohol. A breathalyzer for sale may prove to be a worthy investment. A DUI arrest and conviction can prove to have detrimental effects on a person's life, and home breathalyzer may be able to prevent a person from getting behind the wheel of an automobile and driving while what is considered legally intoxicated. However, simply because a breathalyzer for sale was purchased and used does not necessarily warrant that a person is able to drive, regardless of if the reading is below that of the legal limit. If a person considers purchasing a breathalyzer for sale, one should consult with various breathalyzer reviews. The fact is that there are a myriad of different manufacturers, models, and types available on the market. Many of the home breathalyzer models available for sale to the public are considered to be professional grade, and will prove to be quite reliable in terms of accuracy. However, certain things to consider are the price of a breathalyzer for sale, which can vary from twenty dollars to anywhere in the hundred dollar range. If a home breathalyzer is to be purchased for the purpose of determining how much a person has had to drink before driving, then those that are considered to be professional grade should be given priority, for they will tend to be more reliable.