Specification Brand : GUY-TECH BulletPoint1 : Input : 100V - 240V worldwide BulletPoint2 : Replacement: This Adapter is a Brand New Replacement One, Not Original BulletPoint3 : Over Voltage output Protection, Over Current output Protection. Short Circuit output Protection. BulletPoint4 : High Power exchange efficiency to control working temperature and stable working. BulletPoint5 : Package include & Note:1 x Adapter Charger, Please make sure that you choose the right adapter before ordering. Color : Black CompatibleDevices : PC CompatibleDevices1 : Tablets CompatibleDevices2 : Monitors CompatibleDevices3 : Speakers CompatibleDevices4 : Printers CompatibleDevices5 : Speakers CompatiblePhoneModels : AC-8 ConnectivityTechnology : Powerline ConnectorType : Plug InputVoltage : 120 volts ItemName : Guy-Tech AC DC Adapter Wall Charger for Cisco SPA514G SPA512G IP Phone Power Supply PSU ItemTypeKeyword : voip-telephone-adapters Manufacturer : Guy-Tech Material : Plastic Material1 : Metal Material2 : Plastic Material3 : Composite ModelName : B946000775 ModelNumber : B946000775 MountingType : Wall Mount NumberOfItems : 1 OutputVoltage : 48 volts PartNumber : 40103E06667 PowerSourceType : Corded Electric ProductDescription : Why I choose it? -Small and lightweight for convenience, portability and storage. Easy to take anywhere -High efficiency and low energy consumption, low fever & no noise at full wattage working -Protect Your Device: Over Voltage Protection, Over Heat Protection