The Dahua DH-PFM321 is a 12VDC 1A power adapter that can be used to power devices that require this voltage and current. It has a wide input voltage range of 90-264Vac and is designed to meet the requirements of different parts of the world for electric network fluctuation. The adapter has a high quality and reliability and has passed a 3-month high temperature aging test. It also has a 4KV outdoor lightning protection grade.