Q1：What are difference of single rail and dual rail console? Unicorn & Gemini

  Unicorn / Single Rail Console---------------------------------------------------------------------------------------------------------------------------------

  Gemini / Dual Rail Console------------------------------------------------------------------------------------------------------------------------------------

Q2：What are difference of integrated and modular console?

 ------------------------------Integrated rear view---------------------------------------------------------------Modular rear view------------------------------

---------------------Replaceable

------------------------------------------Modular rear view----------------------------------------

Q3：How to install the detachable Keyboard?

Q4：Optional Keybord Language

U.S.A.

U.K.

Germany

France

Spain

Italy

Portugal

Netherland

Switzerland

Belgium

Sweden

Norway

Denmark

Japan

R.O.C.

Russia

Israel

Arabia_US