Material Made in silicone, environmentally protective and ideal for resistance against drink or food spillage's at home or at work Moisture Prevention Waterproof-ideal for use in adverse, humid or even low-level water conditions. Compact The ability to roll up the keyboard makes it one of the most space saving computer peripherals on the market today. Keyboard The colorfast printed letters won't come off even after long periods of time. No noise while typing Harmless to the human body with excellent softness Portable with the proper size to fold or roll Resistance to the water or dust Easy to work for its round shape design Excellent and various in colors Long durability (one million life cycle of key) APPLICATION There are many applications for our waterproof and dustproof keyboard, including: ?Hospital ?Office ?Factory ?Laboratory ?Library ?Military ?Automotive industry ?Garage ?Medical and hospital ?Workshop ?Mining & Quarrying ?Classroom ?Restaurants and kitchens ?Kids room ?Laptop users The keyboard is soft to the touch with silent keys, this feature could be useful in such places as: ?Libraries ?Offices ?Cybercafes ?Hospital wards ?Boats ?Note taking situations ?Call centers SPECIFICATION ?Compatibility: IBM AT, Windows98/2000/XP ?Communication: PS2, USB, COMBO(USB+PS2) Port ?Color: Purple, any color as require Layout: 109keys Electronic data: +5V DC ? @ 250mA Total travel: 2mm? Certificate: CE & FCC Packing Style: Color box(Retail packing) Packing Info: Color box size: 50 x 15 x 4cm Carton size: 51.5 x 32 x 42.5cm N.W.: 6.5Kg G.W.: 11Kg Space G.W.(W*H*Lcm/6000): 11.7kg QTY: 20 pcs