INPUT & OUTPUT: 100-240V 50/60Hz AC input, DC 12V 3Amp output, 36 Watt max wattage. Compatible with devices drawing less than 3 amp, included devices drawing 500mA, 1A, 1.5A, 2A, 2.1A, 2.2A, 2.3A, 2.4A, 2.5A, 2.6A, 2.8A, and 3A. Please note that the total wattage of your devices should not exceed the maximum rating of this adapter (36 watts). DC PLUG SIZE: The DC plug, with a 5.5mm outer and 2.1mm inner diameter, has a female LED Terminal Connector, enabling simple wire installation without requiring soldering skills or electrical expertise. WIDE APPLICATION: Ideal for various 12V devices like RGB LED strip lights, LED string, CCTV security camera, Wireless routers, Bluetooth speaker, TV boxes, HUBs, switch, Audio/Video power supply, computer fans, gaming chair, cabinet LED bars ,etc. SIX SAFETY PROTECTIONS: Automatic overload cutoff, overvoltage cutoff, over-temperature cutoff, short-circuit cutoff, overcurrent cutoff, and overcharge protection. SAFETY AND QUALITY CERTIFIED: Y