• Use a 7...12V DC21 power supply, plus in the center
• USB TYPE A connector for 5V output or input
• With jumpers you can select 5V or 3,3V for both side rails
• Locking ON/OFF switch
• Spacing of the internal pins approx. 42 mm

Note! These breadboards exist in quite different lengths. The models we sell that fit are shown in the images below.