Adafruit Light Up Key Switch Keychain - Green LED

This adorable Key Switch Keychain is the ultimate accessory for showcasing etched glow-through keycaps. The miniature clicky tactile key switch includes a green LED powered by a CR1220 battery.Simply press the button, and watch as your keycap lights up brilliantly. It's an effortless way to enjoy the satisfaction of a custom keyboard build without the hassle. Ideal for restless fingers, this compact gadget is perfect on the go.The keychain features a convenient cord for easy attachment to bags or purses. Note that keycaps are not included, allowing you to choose and snap on your favorite design.