Attach three power adaptors per outlet. It can be used with any power strip or wall socket without blocking other outlets. Provides 12 Inches extension length for hard to reach areas. Includes 12pc per pack. (REV2; Connectors: AC Male to 3-Angled Female; Length: 12 Inches; Color: Black; Power Wire: 16AWG/3C; Cable Rating: 13A/125v)