MKA-12NL is a professional industrial stainless steel keypad with 12 keys included. The backlight version is perfect for dim working environment. USB/PS2/RS232 interfaces for optional. Plug-and-play. SUS304 fine quality stainless steel brushed surface. Panel mount version with open mounting holes around the edges. Custom layout available. It’s perfect for kiosk, bank, terminal, open area, access control, etc.