3pcs Breadboard Power Supply Module Circuit Test 3.3V 5V Switchable

Description: ? The size is exactly the same as most bread plates. Small size, suitable for all kinds of experimental equipment. It has the function of current limiting protection. The interface is popular, and the switching voltage can be switched.
Input voltage: 5V Output voltage: 5V/3.3V switchable Output current: less than 500mA Size: 53 x 11mm ? Package Included:

3 x Power Supply Module ?