Features: 1. Built in Intelligent chip to protect from over voltage, over current and overload. Reasonable cooling holes which can effective heat dissipation to prevent from over-temperature. Overcharge protection, when these devices fully charged, automatically converts to a small current trickle charge 2. Output: USB 5V/30A 3. Input: AC100V-240V 50-60Hz 4. Material: Fireproof ABS+PC 5. When the temperature of the charger reaches 55 degrees, the intelligent heat dissipation fan automatically turns on for heat dissipation protection Package: 1x 30-Ports USB Charging Station 1x Cable 1x Manual .
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