Important Note: Ensure Compatibility Before Purchase! Contact us if you are unsure about compatibility, Please confirm your device's input voltage is 12V and input current does not exceed 2A, it may not work properly.Positive (+) is located on the inner contact, and negative (-) is on the outer contact Compatible With CCTV Cameras, LED Strip light, led tape light, keyboard, BT speakers, webcam, router, and more 12V electronics Certified Safety Standards: Meets rigorous industry certifications, including ETL, ensuring compliance with global safety and quality standards for reliable performance Versatile 10-in-1 DC Tips: Includes 10 interchangeable DC connectors for broader compatibility. Perfect for DIY projects and powering a wide range of 12 V home electronics Smart Current Adjustment: The adapter intelligently adjusts output to match your device's power needs, supporting a range from 50 mA to 2000 mA with a maximum output of 2 A, ensuring safe and efficient charging Specification: Input: 100-240V 50/60HZ; Output: 12 V 2 A 12V 2A AC Adapter Charger Replacement with 10 Tips, Regulated 12 Volts 2000mA Power Supply Cord for LED Strip Light, CCTV Camera, BT Speaker, Webcam, Router (6ft)