phone charger 1.2 years warranty 2.safty, heat reduction 3.with CE, FCC, ROHs 4.c add over voltage, over current protection A. Product description input voltageAC100~240Vfernquency47~63HZoutput voltage3.3~12Voutput current0.1~1.2Avoltage precision+5%~3%operating temperature-10~50°certificationCE,FCC,ROHsform of coolingnatural coolingB. Packing detail1.white box/polybags, outer package carton 2. ...