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【Stable 12V 2A Power Output】 This 12V 2A power supply adapter 100-240V 50/60Hz to stable DC 12V 2A (2000mA) 24W output. Features a 5.5mm x 2.1mm DC plug with centre positive polarity. The 1.5-metre power cable offers flexible placement for your devices. 【Universal Compatibility】 Ideal for powering a wide range of 12V devices under 24W, including LED strip lights (3528/5050), CCTV security cameras, wireless routers, ADSL modems, Bluetooth speakers, TV boxes, DVR/NVR systems, external hard drives, and computer case fans. 【Smart Current Adjustment】 Automatically delivers the required current (from 0mA up to 2A) based on your device's needs. Perfect for replacing old 300mA, 500mA, 1A, 1.5A, or 1.8A adapters—simply plug in and let the adapter adjust. 【Multi-Safety Protection】 Built with a fireproof ABS shell and an advanced internal IC chip. Provides comprehensive protection against over-voltage, over-current, over-temperature, and short-circuits, ensuring safe and reliable operation for your connected electronics. 【Important Notes Before Buying】 Please verify three requirements before purchase: 1) Your device requires 12V input; 2) Your device draws ≤2A current; 3) Your DC jack size is 5.5mm x 2.1mm with centre positive (+).