1. switching power supply 2. RoHS,CB,PSE,GS,CE,FCC approved 3. Output : 3v 0.3a 4. high efficiency Specification:Watt:0 ... B. 5.5*2.5mm Key Specifications/Special Features OutputVoltage: 3V DCRated Current: 0.3AMaximum power: 0.9WRipple: 1% type voltage ... : 120 to 160%Protection type: clamp by internal circuit Universal 3V 0.3A Adapter Power Supply