• keyboard use two "AAA" batteries
• 2.4GHz / 256 ids 27MHz USB receiver
• 18 Function Hot Key
• LED indictor

the item have not Chinese key.

high quality

The Size:

• 435mm x 145mm x 14mm

• compatibility : window 98/2000 / me / xP  / VISTA /  WINDOWS 7 ; Mac  OS 8.6 above    

• communication : USB, USB+PS /2

• Layout : 123 keys

• Total travel : 5Meters

• english and Chinese key

features

• the keyboard surface can be washed and disinfected

• can used for damp environment, even inside shallow water,

• can clean when beverage or other liquids spilled on it

• can used safely in dust fog and even in sandstorm

• can used in the acid and alkaline environment

• can be laundered by alcohol or disinfector

• can used in the temperature of -40°C - +80°C

• special printing of button word, will not easy be worn away

• feeling soft & comfortable

• without any sound while typing

• each button can bears to type about 2 million times

• the keyboard can be rolled up, can save lots of spaces

• is suitable to travel, office, workshop, notebook PC, kid room, etc