Automatic voltage regulation for protection against brownouts and over voltages. It protects your sensitive electronic equipment from brownouts (under voltages) and over voltages with APC Line-R automatic voltage stabilizer. Uncorrected voltage fluctuations gradually degrade the life of electronic components, potentially causing premature failure. If you are searching for the best voltage regulator? Then, you can visit this website. They manufacture products following all quality standards and are a highly trusted name in the industry.