Product overview A compact 4 by 3 keypad matrix with 12 physical buttons for adding reliable user input to electronic projects. The unit combines plastic and metal construction for wear resistance and long service life. Designed as a direct replacement, it installs with a simple plug and play connection and requires no wire splicing to improve conversion rates. Key benefits Fast integration: 4x3 matrix format makes it easy to scan and read keys using standard microcontrollers and development systems. Durable construction: plastics and metal parts provide wear resistance for repeated use in prototype and production applications. Simple installation: direct replacement design and plug and play connection eliminate the need for wire splicing and speed up assembly or repairs. Clear function: 12 distinct buttons give straightforward numeric and control input for menus, navigation, and entry tasks. Versatile compatibility: suitable for general electronics projects, control panels, and embedded systems that accept a matrix keypad input. Important attributes Function: 4 by 3 keypad matrix, 12 button keyboard unit for numeric and control entry. Compatibility: Works with typical microcontrollers and development boards that support matrix key scanning. Material: Constructed from plastics and metal for durability and wear resistance. Performance: Reliable switch contact and repeatable operation for user interfaces and control tasks. Installation: Plug and play direct replacement, no wire splicing required. Typical applications Prototype development and testing where a compact numeric keypad is needed for input and control. Custom control panels and human machine interfaces for small devices or equipment. Embedded systems and standalone projects that require a simple, durable keypad for menu navigation and data entry. What you get A ready to install 12 button matrix keypad designed to simplify adding user input to electronic projects, reduce installation time, and provide a durable control interface.