power adapter for apple nput:AC 100-240V,50-60HZ output:DC5. ... short circuit protection,overheat,over voltage universal 12v 3a power adapter/power adapter/power supplyinput:AC 100-240V,50-60HZoutput:DC5.0 ... (Amp) can be adjusted according to customers'requirementProducts CharacteristicsWith fixed frequency control circuit,it provides with over voltage,over current,overheat ...