Micro tactile switch: DC 5 to 12 volt 100 mA, also known as 4 - pin touch on button
Tiny push switch: DC 5 to 12 volt 500 mA, also known as 2- pin push on off button
Dimmer switch: DC 5 to 24 volt 2A, stepless rotary switch with 5.5 / 2.1 mm connectors