Punch in your secret key into this numeric membrane keypad. This keypad features 4 buttons, each with its own wire line, enabling straightforward use as individual switches without the need for matrix code.The membrane is soft and includes a removable paper backing to expose a strong adhesive, allowing you to easily stick it onto an enclosure and feed the cable through a slot. The package also includes a 5-pin extra-long header strip for easy breadboard connectivity.Features: 4-button numeric membrane keypad Individual wire lines per key for simple switch function Soft membrane with adhesive backing for mounting Includes 5-pin extra-long header strip Dimensions: 69.14mm x 20.07mm keypad, cable length 87.31mm 5-pin 0.1" pitch connector Weight: 2.83g Check out our detailed guide with wiring diagrams, libraries, and example sketches for matrix keypads to expand your project possibilities.