⚡【5V 1A Power Supply/Adapter】100-240V AC input 50/60HZ, DC 5V 1Amp(1000mA) output, 5Watt max wattage.The power supply has load and no load.Generally,4.5V-5.0V is Normal.[The device voltage must be equal to 5V, and the current can be less than or equal to 1A] | ⚡【Multi Protection】Over current protection, over voltage protection and overload protection, short-circuit protection.If the parameters in the circuit exceed the upper limit of 5V 1A(1000mA), the product will not work.[Before ordering, please check whether the voltage and current of your device are the same as our product parameters.] | ⚡【WIDE APPLICATION】5V Power Supply 1A is widely use for LED light strip,Wireless Routers, ADSL Modem, HUB,Security Camera, Network Switch, Audio/Video power supply, home decoration use, car, hotels, clubs and shopping malls etc. | ⚡【Not DC to AC】 This 5V 1A Power Supply is AC to DC, not DC to AC. Please confirm which one is needed. | ⚡【PACKAGE INCLUDES】 1 x 5V 1A Power Supply itself has a 3 ft DC output cable.It comes with a free female DC connector. So you can easily connect wires on it without soldering. Check the power input port of your device.the polarity is Inner Positive (+),Outer Negative(-),DC output plug 5.5 x 2.5mm/2.1mm. (Check your DC Plug Size Before Order!)