*Made of fireproof PC with FCC certification, wear-resistant and long-lasting *Features digital display screen, automatically switches voltage and current parameters *Automatic adjusted current, charges you devices safely and efficiently *Dual USB ports, available to quick charge two devices at the same time *Voltage range 4.75-5.25V; 2.2A max output in single port *AC 110-240V wide range input, perfect for world travel use