PASSED UL TESTDarfoo cares about the safety of our customers, so all of the charging stations have passed the strict tests authorized by a UL Lab, which will protect our customers and homes from any case of over-current, over-voltage, and over-temperature situations. ON/OFF switch button will allow you to cut off the power of the charging station whenever you want. POWERFUL MULTI-FUNCTIONS8 in 1 charging station. ONE 10W Qi-certified wireless fast charging pad, TWO 2.4A fast USB charging port, and FIVE 1.0A normal speed USB charging ports, will meet your daily usage for a family.