12 Volt 3.34 amp 40 watt regulated switching table top power supply Features: output voltage: 12 Volts output current: 3.34 Amps output power: 40 Watts output connector: 2.1 x 5.5mm cylindrical female input voltage: 90-264 VAC 47-63 Hz LED indicator size: 4.92 x 1.97" x 1.24" case color: black DC output cord Length: 3.3 feet AC input cord Length: not included (recommended: 38050 ) weight: 0.62 lbs. Energy efficiency level VI agency approvals: UL/cul/TUV/bsmi/ccc/FCC/CE detailed specifications: primary output voltage (VDC): 12 output current (a): 3.34 maximum output power (W): 40 AC power cord: not included, recommend 38050 family: GST40 input voltage (VAC): 90 to 264 input frequency: 47 to 63 maximum input current (a): 1 output connector Type: cylindrical female output connector diameters: 2.1mm x 5.5mm polarity: center positive number of outputs: 1 product Type: AC to DC power supply efficiency ( percent ): 89.5 minimum isolation voltage: 3000 operating temperature-min (CEL): -30 operating temperature-max (CEL): 70 Length (inch): 4.92 width (inch): 1.97 height (inch): 1.24 agency approvals: UL/cul/TUV/bsmi/ccc/FCC/CE color: black Type: auto switching style: desktop adapter product note: level VI. GST series of green energy-saving high-end enterprise level adapters can work continuously for a long time in 7x24 hours. Is widely used in IT, security, industrial control, LED lighting and other fields. Type A in line with European safety standards multi medium new.