-Automatic Input Voltage : AC110-240V-50/60Hz 0.6A. -USB Output ; 5V/2.4A, 9V/1.7A, 12V/1.3A -Total Output 15W. -Auto ID : Maximum compability with smart detection technology to negotiate the fastest charging supported by your device -Build-in Safety Protection for Over Current, Over Voltage, Over Heat and Short Circuit. -High-Grade fire retardant material with precision manufacturing.