Product Details This 12V 1A-3A AC DC power adapter provides a 12V DC output with selectable current configurations from 1A to 3A. Depending on the selected output rating, the adapter can provide up to 36W of power for compatible low-voltage electronic equipment.The plug-in design combines AC to DC power conversion in a compact external adapter, making it convenient for equipment installations and replacement applications. A 5.5 × 2.5mm DC connector option and multi-plug compatibility provide flexibility for different devices and regional power requirements.This 12V power supply is suitable for CCTV cameras, routers, networking equipment, LED devices, security systems and other electronics requiring a compatible 12V DC input. The actual output current, connector specification and polarity should be matched with the requirements of the powered equipment.