1. switching power adapter 2. UL,RoHS,CB,PSE,CE,FCC,SAA,C- ... . Output : 10v 2a 4. high efficiency 10v 2a 20w switching power supply 1.Universal input voltage 2.UL/CUL, PSE, GS ... /63HZ3. High efficiency and low operation temperature4. AC input power suitable for the world 5. Soft-start current can reduce the AC ... : DC 500V 100MΩ (minimum) constant voltage 10V 2A 20W AC Power Adaptor (with UL)