1. Input:90-264VAC 2. CE,FCC,ROHS,PSE,UL approved 3. packaging:PE bag 4. OVP,OCP 5. dimension: ... . All our products that we made completely meet safety requirement(UL,CUL,PSE,GS,CE,FCC,CE,EK,SAA,BS Approved ... Voltage ............115%~135% EnvironmentWorking temP.............. 0~50°CWorking humidity............. 20%~90% RHStorage temp humidity............ 20%~95%RH wall mount 3V 1A ...