Features：1.100% Brand New2.High efficiency， long life3.100% full load burn-in test4.Protections: overload/ over voltage/ short circuit5.With fan，cooling by free air convection (Can't be used in bathroom)6.High power density7.Switching power supply products are widely used in: industrial automation control， military industry equipment， scientific research equipment， security， monitoring， entrance guard， building intercom， LED lighting， advertising lights， industrial control equipment， communications equipment， electrical equipment， instrumentation， medical equipment， semiconductor refrigeration and heating， air purifier， electronic refrigerator， LCD， LED lamps and lanterns， communications equipment， audio and video products， security， computer case， digital products and instruments， etcSpecifications：1.Input:AC110-220V 50/60Hz2.Out put:DC 12V 16.5A3.Power：200W4.Size：20*5.8*4cm5.Metal shellSwitching power supply using precautions:1. metal case power supply cord connected to the shell and the general (FG)， to be reliable grounding， in order to ensure safety， do not mistake the shell on the zero line.2. before installing the electric test run， please check again and check the attachment of terminals， to ensure that the input and output， ac and dc， single phase， multiphase and the positive and negative voltage value and current value is correct， no doubt， can operate.For high-power power supply， usually has three or more than three input terminals "+" and the "-" output terminals， in fact they belong to a single output polarity， is convenient for user operation.Package Included：1x Switch Power Supply Driver