Specification Amperage : 1 amps Brand : MTDZKJG BulletPoint1 : 1. Input: AC 100V-240V 50/60Hz; Output: DC 3V, 1A 3W MAX; DC plug size is 5.5mm x 2.5mm. Compatible with 5.5mmx2.1mm. BulletPoint2 : 2. 3 Volt 1A 0.8A 0.5A Switching Power Supply, DC 3W Max, Power supply works for various of devices which ask for a less than 3.0V 1A 3.0W power adaptor, Such as 3V 1000mA, 900mA, 850mA, 800mA, 700mA, 650mA, 600mA, 500mA, 450mA, 400mA, 300mA BulletPoint3 : 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. 200mA, 100mA, 1A, 0.9A, 0.8A, 0.7A, 0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A transformer charger BulletPoint4 : 4. Widely used to drive 3V LED light strings, USB-HUB, Bluetooth speaker, wireless router, mini fountain, wifi IP home camera and other 3V devices less than 3W BulletPoint5 : 5. Polarity is inside positive "+", outside negative"-", Power cord length: about3ft Color : black CompatibleDevices : Cameras ConnectivityTechnology : DC Tip ConnectorGender : Male-to-Male ConnectorType : DC Tip CurrentRating : 1 amps CustomerPackageType : FFP ExternallyAssignedProductIdentifier1 : 768492020776 ExternallyAssignedProductIdentifier2 : 0768492020776 FormFactor : Generic FrequencyRange : 50-60Hz IncludedComponents : power adapter IndoorOutdoorUsage1 : outdoor IndoorOutdoorUsage2 : indoor InputVoltage : 120 volts IsPortable : 1 ItemName : DC 3V 1A Power Supply AC Adapter 100-240V AC to DC 3Volt 3W 1000mA 500mA Power Cord with 5.5mmx 2.5mm/2.1mm Output Plug for LED Light Mini Fan Router CCTV ItemPackageDimensions_Height : 15.2908 centimeters ItemPackageDimensions_Length : 5.3086 centimeters ItemPackageDimensions_Width : 9.2964 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : ac-adapters Manufacturer : MTDZKJG Material : Plastic MaximumFrequency : 60 hertz ModelName : MT0301BK ModelNumber : MT-0301 MountingType : Wall insert NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPins : 4 NumberOfPorts : 1 NumberOfPowerLevels : 1 OutputCurrent : 1 amps OutputVoltage : 3 volts PartNumber : MT-0301 PowerPlugType : type_a_2pin_na PowerSourceType : Corded Electric ProductDescription : Product Description Please note: The positive and negative poles must not be wrongly connected, as this will cause the equipment to not work .