12V 10A 120W Switching Power Supply
It can supply with all currents less than 10A, such as 1A, 2A, 3A, 4A, 5A, 6A, 7A, 8A, 9A, 10A. For example, if your device draws 7.5A, then 7.5A will be supplied.
If draws more than 10A, only 10A will be supplied and power supply will be damaged soon. NEVER OVERLOAD!