This BIG PUSHBUTTON POWER SWITCH MP part from Pololu is an MP-series power switch that provides a convenient way to turn on and off power for your project. This part has a large, easy-to-press button and an LED indicator, making it an ideal alternative to unreliable mechanical switches, toggle switches, and jumper wires. The switch features two power pins that can deliver up to 5 A of current and measures 0.85" x 1.15" x 0.37" (21.8 x 29.3 x 9.3 mm). Additionally, you can use the switch in either latching or momentary modes, depending on your project's needs.