Item Name: The Waterproof Flexible Silicone Keyboard Model: C-5001 Compatibility: IBM AT, Windows98/2000/XP Layout: K-605SN(110 Keys), US Communication: PS2, USB, COMBO port Dimension (mm): 495(L) x 138(W) x 12(H) Electronic Data: +5V DC @ 250mA Total travel: 2mm Color: Black, Light Blue Packing Info: Color box size: 51x15. 5x4cm Carton size: 51. 5x32x 42cm N. W. : 6Kg G. W. : 11. 2Kg Space G. W. (W*H*Lcm/6000): 14. 0kg QTY: 20 pcs / Carton Box Model: Mini Foldable Keyboard Compatibility: IBM AT, Windows98/2000/XP Layout: K-605(85 Keys), US Communication: USB, COMBO port Dimension (mm): 350(L) x 130(W) x 12(H) Electronic Data: +5V DC 250mA Total travel: 2mm Color: Black, Red, Light Blue, Yellow Packing Info: Color box size: 35. 5x15x4cm Carton size: 70. 5 x 39. 5 x 39. 5cm N. W. : 8. 0Kg G. W. : 14. 1Kg Space G. W. (W*H*Lcm/6000): 18. 33kg QTY: 36 pcs / Carton Box