Specification Brand : J-ZMQER BulletPoint1 : J-ZMQER 12V AC Adapter Charger Compatible with Chatger 4 Grandstream HT502 HT503 VOIP ATA SIP Phone BulletPoint2 : Input Voltage: 100V-240V 50/60Hz BulletPoint3 : 【SAFETY】: With the international quality certification authority, our products are in compliance with top industry standards, and include numerous safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating. BulletPoint4 : 【Kindly Note】:Please make sure that you choose the right device before purchasing. BulletPoint5 : Choosing J-ZMQER products to get convenience and just enjoy the high-speed charging, ensuring you a ideal daily life! Color : BLACK CompatibleDevices : PC CompatibleDevices1 : Laptops CompatibleDevices2 : Speakers CompatibleDevices3 : Printers CompatibleDevices4 : Monitors ConnectivityTechnology : Powerline ConnectorType : Connector InputVoltage : 240 volts_of_alternating_current ItemName : J-ZMQER 12V AC Adapter Charger Compatible with Chatger 4 Grandstream HT502 HT503 VOIP ATA SIP Phone ItemTypeKeyword : voip-telephone-adapters Manufacturer : J-ZMQER Material1 : Plastic Material2 : Metal Material3 : Composite ModelNumber : Jantoy-230828-22 MountingType : Wall Mount OutputVoltage : 12 volts PartNumber : J-ZMQER-23-8.29-188 PowerSourceType : Corded Electric ProductDescription : J-ZMQER 12V AC Adapter Charger Compatible with Chatger 4 Grandstream HT502 HT503 VOIP ATA SIP Phone ProductSiteLaunchDate : 2023-08-29T02:06:03.703Z SpecificationMet1 : CE SpecificationMet2 : CCC SpecificationMet3 : RoHS SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredDgHzRegulation5 : not_applicable TotalUsbPorts : 1 UnspscCode : 26111704 WarrantyDescription : 3 Year Warranty