1. Input: AC 100V-240V 50/60Hz; Output: DC 15V, 1A 15W MAX; DC plug size is 5.5mm x 2.5mm. Compatible with 5.5mmx2.1mm. Polarity is inside positive "+", outside negative"-", Power cord length: about3ft. 2. 15Volt 1A 0.8A 0.6A 0.5A Switching Power Supply, DC 15W Max, Power supply works for various of devices which ask for a less than 15.0V 1A 15W power adaptor, Such as 15V 1000mA, 850mA 800mA 700mA 650mA, 600mA 500mA, 450mA, 400mA, 300mA, 3. The products adopt the industry's top materials and processes, flame retardant shell resistant to high temperature of 1382℉, premium-quality components and safe&reliable power cord. Certified by FCC, CE, RoHS, CCC, Overcurrent protection, overvoltage protection and overload protection, short-circuit protection ensure the stability and smoothness. Gives a safe charging. 1A, 0.8A,0.7A,0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A transformer charger 4. Widely used to drive 15V LED light strings, USB-HUB, Bluetooth speaker, wireless router, mini fountain, wifi IP home camera and other 15V devices less than 15W. 5. Buy with confidence and 24-hours online service, Please feel free to contact with us for any questions