This series of six membrane keyboards are available with or without pointing device. The membrane is from a hardened polyester, resistant to liquids, oils, most acids and to scratches. All versions are sealed IP65 and available as panel mount version or housed in a very stylish and robust ABS housing. The keyboards with pointing device have 26 keys and an integrated trackball or joystick. Types KBMT26x have an integrated 38mm laser optical trackball with a removable ball. Types KBTS26x have an integrated solid state hall effect joystick. The keyboards have numeric and function keys; the control keys are available via ''Fn'' key mapping. The keyboards without pointer, types KBM36x, have 36 keys which enable all major functions of a large MF keyboard in a small outline. Function keys F1 to F16 and complete upper and lower case alphabet are available. All versions have a PS/2 or USB output connection.