Input: 9V/1.8A; 5V/2A Maximum output of 15W; compatible with 7.5W and 5W Micro USB interface Two coils Dimensions of the product: 118*82*76 mm; Material: ABS anti-fire Extras: 1.2-meter Micro USB Charging Cable Certified by the FCC, CE, RoHS, ETL, and RCM