SpecificationsInput: AC 100-240V, 50/60Hz. Output: DC 15V 2A Max 30W; DC Plug Size: 5.5*2.1mm/ 5.5*2.5mm; Inside positive (+) outside negative (-) Compatible withBluetooth Speaker, Speaker, Receiver, Outdoor Speaker, CD Player, Wireless Routers, LED Lights, LED Bars, HUB, Switches, Security Cameras, Surveillance Cameras, Audio/ Video, Office Electronic Devices, External Hard Drive, Computer PC Case Fan, Sound Bar, Digital piano, IR Illuminator, and other industrial applications. Use15V 2A Adapter are suitable for deviceswith an input voltage of 15Volt and an input current is less than or equal to 2000mA. ( Sach as: 1A/ 1.2A/ 1.5A/ 1.8A or less current device, 100mA~500mA~800mA~1000mA~1500mA~1800mA~2000mA/ 0.1A~0.5A~0.8A~1A~1.5A~2A) NOTEPlease check your device output and plug size before purchasing, and make sure that the plug size of the adapter matches your device.