Material: Fireproof PC Dual USB wall charger, charge two devices simultaneously & rapidly, the performance is more stable. The peak current of a single port can reach 2.4A, compared with 1A charging, the charging speed is doubled. Built-in protective system to defeat extreme working. 110-240V input voltage, ideal for worldwide travel. PC refined shell, fireproof and high temperature resistant. Input: 110-240V~50/60Hz 0.5A Total Output: 5V/2.4A=12W (Max)