Design - The input voltage is 110V. We use a ball fan as the radiator to improve the heat dissipation effect, and it is quiet and not hot. Thick copper wire, high current, anti-interference metal shell, durable and sturdy. 30 Fast 2A Charging Ports - Each interface of the charging station has an independent chip, charges up to 30 devices at once, Provides up to 5V2A of power per port. And to increase our charging speed.