Dimension high: 30±1mm / length: 482±1mm / width: 182±1mm  
  Weight 600g  
  Color Top cover: white / Bottom cover: white / Keys:  black / Multimedia keys: black  
  Materials Keys: ABS / Top cover: ABS  
  Characteristic of the membrane switch  
  Key switch elasticity 48 ± 8g  
  Switch travel 4.0 ± 0.2MM  
  Spring back time Max.5ms  
  Actuation travel 2.60 ± 0.2mm  
  Resiliency ≥15g  
  Keystroke life >10,000,000