Input: 110V/220V AC;Safety features: automatic overload cut-off, over-voltage cut-off, automatic thermal cut-off, short circuit protection.Voltage Consistency: There is no voltage fluctuation during power up, transmit, receive, shut down.There is no fan inside the case and it runs quietly. The metal case has many holes to make heat dissipation more efficient.Perfect for LED Strips, 3D Printers, Ham Radio Transceivers, CCTV Cameras, Car Subwoofer Amplifiers, Audio Amplifiers, Wireless Routers, ADSL Cats, HUB, Audio/Video Power Supplies. Indoor use only!High price-effective, reliability with industry standardsBuilt-in over voltage, over current, and short circuit protectionAmbient Humidity: 0~95% Non-CondensationBuilt-in over voltage, over current, and short circuit protectionPWM design, make sure the stability and high efficiency of power supply.Anti-jamming, passed EMC test, wave less than 20MV.Constant voltage output, assume stable power supply for LED lightings to reach long Typical ApplicationsLED Strip power supplySecurity surveillance industryOther industrial applicationstype:12V 3A 36WColour:Photo ColorMaterial:MetalPackage Contents:1 SupplyOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.