1. switching power adapter 2. UL,RoHS,CB,PSE,CE,FCC,SAA,C-Tick,GS approved ... 2a 20w switching power supply 1.Universal input voltage 2.UL/CUL, PSE, GS,CE, SAA, FCC,C-Tick,CB3.10Years ... Ω (minimum) constant voltage 10V 2A 20W AC Power Adaptor (with UL)