This is 20-pin with 10 individual position slide type DIP switch. The pins have 0.1 inch spacing which fits in breadboard. It is ideally used in adjusting or changing the configuration settings. It can be toggled between ON and OFF state by adjusting the switches over it. DIP Switch Specification and Features: Standard Mounting Switch Rating: 50Vdc @ 100mA SPST Switches Leads Pre-Tinned Each Contact Numbered Package Includes: 1 x 10 Positions DIP Switch