1PROFESSIONAL DESIGN: Interface type IEC320 C20 to IEC320 C21, converts standard IEC320 C20 to IEC320 C21. 2SCOPE OF APPLICATION: for UPS power supply, server PDU, desk lamps, speakers, LCD monitors, printers, digital cameras, hand warmers, bar code machines, scanners, electronic scales, projectors, laptop power adapters and other equipment. 3PVC OUTER COVER: The PVC outer cover of IEC320 C20 to IEC320 C21 power adapter has the characteristics of flame retardant, heat resistance, insulating, tensile, wear resistance and waterproof. 4REINFORCEMENT DESIGN: the IEC320 C20 to IEC320 C21 power adapter is reinforced with one time molding to ensure that the use does not fall off, resulting in poor contact and more durable against pulling. 5PACKAGE INCLUDES: You will get 2pcs IEC320 C20 to IEC320 C21 power adapters. Server PDU conversion plug UPS power adapter.