4ft 5V AC adapter power cord AC 100-240V 50/60Hz input 0.5A Max (100vac 120vac 220vac etc); 5vdc 0-2000mA 10 Watt output DC 5V 2A (2a 1.5 a 1a 0.5 m etc)DC plug for 5.5 mm x 2.5 mm x 10mm and an extra 3.5 mm x 1.35 mm x 8mm barrel connector center positive barrel plug power cord 4 feetFCC UL listed 5V power supply cable 4 ft is compatible with 5 Volt 2A 1A 0.5A 0.4A a prefect slim replacement for all 5Volt 0-2 amp power suppliesUniversal 5V 2A AC to DC adapter with 4 feet long extension cord enables you to conveniently make an easy and safe cord connectionClass 2 power supply 100-240V 50/60Hz switching transformer works with 5 vdc wireless security camera CCTV Motor lamp charger LED Strip Lights Cable Modem Spot monitor microphone transmitter Router Electronic Piano Keyboard DVR NVR Infrared IR Array Illuminator Portable Radio Computer PC Case Fan Arduino PCB portable speaker Digital Photo Frame WD external Hard Drive HDD Shoulder Massager clock scale Air pump purifier robot vacuum player home appliances etc.