Feature: 1. Built-in current limiting temperature protection, overcurrent overload protection, double protection is more secure. 2. Simple control panel, one-button switch, it is simple and convenient. 3. Universal interface, support a variety of electrical sockets. 4. By testing standards for safe using, low noise 5. Suitable for all kinds of electrical equipment in scientific laboratories, industry and home Specification: Item Type: AC Voltage ConverterModel: ST-500VARated Power: 500WInput Voltage: AC110V, 60HzOutput Voltage: AC110-120V, AC220-240V, 60HzOutput Socket Type: 2 Universal SocketProtection Mode: Overload ProtectorOver Temperature Protection: 95℃Power Factor: 0.8Power Phase Number: Single PhaseMoisture Proof: OpenCooling Method: Natural CoolingFrequency Characteristics: Low FrequencyCore Shape: RingPlug Type: US PlugPower Cord Length: Approx. 137cm / 53.9in @font-face{ font-family:"Times New Roman"; } @font-face{ font-family:"宋体"; } @font-face{ font-family:"Calibri"; } @font-face{ font-family:"微软雅黑"; } p.MsoNormal{ mso-style-name:正文; mso-style-parent:""; margin:0pt; margin-bottom:.0001pt; text-align:left; font-family:Calibri; mso-fareast-font-family:宋体; mso-bidi-font-family:'Times New Roman'; font-size:12.0000pt; } p.p{ mso-style-name:"普通\(网站\)"; margin-top:5.0000pt; margin-right:0.0000pt; margin-bottom:5.0000pt; margin-left:0.0000pt; mso-margin-top-alt:auto; mso-margin-bottom-alt:auto; text-align:left; font-family:Calibri; mso-fareast-font-family:宋体; mso-bidi-font-family:'Times New Roman'; font-size:12.0000pt; } span.msoIns{ mso-style-name:""; text-decoration:underline; text-underline:single; color:blue; } span.msoDel{ mso-style-name:""; text-decoration:line-through; color:red; } @page{mso-page-border-surround-header:no; mso-page-border-surround-footer:no;}@page Section0{ } div.Section0{page:Section0;}Size: Approx. 19.1 x 15.9 x 12.3cm / 7.5 x 6.3 x 4.8in Package List: 1 x AC Voltage Converter 1 x English User Manual