Triple Mode Connection Equipped with triple modes to meet your specific needs. This custom numpad kit with hot-swappable base supports 3-pin or 5-pin mechanical switches replacement. Hot Swappable Switches This custom numpad kit with hot-swappable base supports 3-pin or 5-pin mechanical switches replacement. Poron cotton are equipped to absorb sound while typing and also reduce sound of bottom case. DIY your own keyboards without soldering issue. Switch between different RGB backlighting effects with the press key. Aazon.co: FKZ LK21 echanical Nupad Kit,Aluinu Alloy Hot... 🎮【Gasket Mount & Hot Swap PCB】LMK21 features gasket mount with a PC mounting plate, which works perfectly together to offer a soft and bouncing typing experience. Pushbutton Switches LW42A2-2026/LF301 20A Three Position 1 0 2 Two Section Electric Rotary Panel Mount Selector Control Changeover Cam Switch Keychron Numpad ZUOYA LMK21 Wireless Mechanical Keyboard KIT 21 Keys Aluminum Alloy Tri-Mode Bluetooth 2.4g Wired Hot Swap Number Keyboard Kit Mechanical Numpad BOYI TD21 Hot Swappable Numpad,21 Keys Mini Numpad Portable Keypad Compact 21Keys Numpad Features 21-key PCB design with enough space and processing power to handle your most demanding tasks. Light brightness and speed can be easily controlled, allowing you to personalize your keyboard with ease. 🎮【LMK21 FUNCTIONAL NUMPAD】Looking for a keyboard that only needs a few extra keys for programmable commands or other functions? This LMK21 Numpad features 21-key PCB design with enough space and processing power to handle your most demanding tasks. Full keys programmable, perfect for professionals looking to streamline their workflow and enhancing productivity. Welcome to Enjoy this multifuctional number gaming keyboard! RGB Gaming Keyboard with South-facing LEDs LMK21 mechanical numpad with RGB backlitght for a sleek and stylish look. 🎮【Amazing South-facing LEDs】LMK21 mechanical numpad also features south-facing backlitght for a sleek and stylish look. FKZ LMK21 Aluminum Alloy VIA Programmable Mechanical Number Keyboard Kit Precision pre-lubricated stabilizers further refine the numeric keypad, ensuring even and satisfying keystrokes and eliminating wobbly or uneven typing. The numeric keypad also features a high capacity 1000mAh battery that ensures long hours of use without frequent recharging.