1. POWER SPECS: AC Input: 100-240V 50-60Hz / DC Output: 18V 1A 1000mA 18W. positive (+) center. 2. [Intelligent Identification Output]: Fit for Power supply works for various of devices which ask for a less than 18V 1A 18W power adaptor, Such as 18V DC 1A, 0.7A, 0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A 18V 1000mA, 900mA, 800mA, 700mA, 600mA, 500mA, 550mA, 450mA,400mA, 300mA, 350mA, 250mA, 200mA, 150mA, 100mA transformer. 3. Widely compatible: Cordless Drill, DC Fan, Humidifier, Bluetooth Speaker, Sound bar, Subwoofer, Lights, Pump, Lamp, Gate Opener, Solar Shades, Booster, Jump Starter, Mixer, Printer, Radio, Recorders, etc. 4. DC Plug: 5.5 * 2.1mm 5.5*2.5mm, DC Plug polarity: (Center positive +) with 8 Interchangeable DC Plug size is, 4.0*1.7mm, 4.8*1.7, 5.5*1.7mm, 6.0*3.0mm, 6.0*4.4mm with pin insidem, 3.5*1.35mm, 2.5*0.7mm, LED Terminal Connector 5. This adapters was made with the highest quality materials. Over Voltage output Protection, Over discharge protection, Prevent excessi