1、Linear Action Switch: This wired numpad adopts mechanical linear action switch structure, which ensures comfortable hand feel and quiet operation. 2、Plug and Play: This mechanical numpad adopts USB port, and it supports plug and play, compatible with most systems. 3、Multi Function: This USB numpad is equipped with Numlock key, delete key, Enter key, +‑*/ keys and Del key. 4、High Safety: This 18 keys numpad adopts splashproof design and 4 nonslip pads at the bottom, which ensures high safety and high stability. 5、Wide Application: This numeric keypad is suitable for laptop users, banks, financial security, business people.1 xMechanical NumpadItem Type: Mechanical NumpadMaterial: ABSKey: 18 KeysPlug: USBLine Length: 1.4 MetersKey Structure: Mechanical Linear Action SwitchButton Life: More Than 50 Million TimesProduct Size: Approx. 140 x 102 x 25mm / 5.51 x 4.02 x 0.98inFeatures: Splashproof, Mechanical Linear Action Switch, with Numlock Key, with Delete Key, with Enter Key, with +-*/ Key, with Del KeyApplication: Business, Industrial Control, Video and Education, Security, Road and Bridge, Securities and Other Different ScenariosSupport: Suitable for DOS, for Wind 95, 98, NT, ME, 2000, 2003, Xp, for vista, for 7, 8, 10, for Linux, for OS,Tablet, Etc