Seeed Studio (111020046) Blue LED Button Board with Cable, 3.3V / 5V

Product Information Accessory Type: Blue LED Button Board For Use With: Arduino & Raspberry Pi Board Product Range: - Product Overview Grove - Blue LED Button is stable and reliable with a 100 000 times long life. With the built-in LED, you can apply it to many interesting projects, it is really useful to use the LED to show the status of the button. Easy to use Grove digital interface Dimension is 40mm x 20mm x 16mm Operating voltage is 3.3V/5V