The device measures 4" x 2.9" x 1", and accommodates 100V to 240V voltages for international use. Two ports provide 2.4A, two handle 2.1A and the remaining two give a 1A charge.
A built-in circuit protection system shuts off the charger automatically in the event of overvoltage, overcurrent, overheating or short circuits. The charger is made of industrial-grade fireproof materials for added protection.
More details on the product can be viewed at Amazon here, or visit the Poweradd website.