Specification Brand : Beufee BulletPoint1 : KEYPAD FOR: This 12 keys 3x4 push buttons is perfect for adding controls to your electronics projects with 0-9 numerals, star, and hash symbols, which is a great external keyboard module for your MCU keypad needs. BulletPoint2 : 3X4 KEYPAD: With its small size, this button keyboard module is designed to save space and make it more convenient to use and connect. Perfect for those tight spaces in your project. BulletPoint3 : EASY COMMUNICATION WITH ANY MICROCONTROLLER: This 12-botton keyboard is easy to communicate with, making it perfect for single chip microcontroller projects. You won't have to struggle to get this keypad working with your project. BulletPoint4 : MCU KEYPAD: This external keyboard module is specifically designed for microcontroller projects. The layout, coupled with the standard star and hash symbols, make it a great choice for MCU projects. BulletPoint5 : PUSH BUTTON KEYPAD: This 3x4 keypad mcu board array switch tactile keypad features push buttons that are responsive and easy to use. Perfect for any project that requires quick and reliable inputs. ItemName : Keyboard Module, 3x4 Keyboard 12 Button Phone-Style Keypad 12 Button Keyboard Modules External Keypad Modules for MCU ItemPackageQuantity : 1 ItemTypeKeyword : access-control-keypads Manufacturer : Beufee MaximumRange : 10 meters ModelNumber : A42XY--1 MountingType : Wall Mount NumberOfItems : 1 PartNumber : Beufee9mxwny0q7k ProductDescription : KEYPAD FOR: This 12 keys 3x4 push buttons is perfect for adding controls to your electronics projects with 0-9 numerals, star, and hash symbols, which is a great external keyboard module for your MCU keypad needs. 3X4 KEYPAD: With its small size, this button keyboard module is designed to save space and make it more convenient to use and connect. Perfect for those tight spaces in your project. EASY COMMUNICATION WITH ANY MICROCONTROLLER: This 12-botton keyboard is easy to communicate with, making it perfect for single chip microcontroller projects. You won't have to struggle to get this keypad working with your project. MCU KEYPAD: This external keyboard module is specifically designed for microcontroller projects. The layout, coupled with the standard star and hash symbols, make it a great choice for MCU projects. PUSH BUTTON KEYPAD: This 3x4 keypad mcu board array switch tactile keypad features push buttons that are responsive and easy to use. Perfect for any project that requires quick and reliable inputs. Specification: Button: 12 Material: ABS Color: shown as picture