The CZD-1W-1U is a double USB socket designed to provide a 5V output with a current of 1500MA, suitable for charging a variety of USB devices. It is engineered to handle an input voltage range from AC90V to 250V, making it versatile for different power supplies. The protection class of IP20 indicates that it is protected from objects larger than 12.5mm but not from liquids, which is a standard level of protection for indoor use where moisture is not a concern.