Introduction:
Front-panel/keys/trackball materials: brushed stainless steel
Baseboard material: aluminium
Keys: laser engraved or chemical corrosion to avoid the characters falling off or being friction losses.
Switch Contact Material: silicone switch technology PCB. 
Supply Voltage: +5V DC
 
Color:black (taking electrophoresis process to achieve it.)
Size:431*126(mm)

Properties of products:
key lifespan: >2 million times
key press force :3~5N
key travel:<2.5mm
protection level:IP65(static)/IP54(dynamic)
Pointing device:
Trackball:38mm diameter
400DPI ,IP65 (static) mechanical trackball mouse
2 buttons,lift and right

Interface:PS/2 or USB port

System: PS2:Win NT4,98SE,98ME,2000,XP,VISTA,WINDOWS 7
        USB:Win 98SE,98ME,2000,XP,VISTA,WINDOWS 7,Mac OS9/OSX

Standard:ISO/IEC9995,GB/T1408

Applications:Unattended internet terminals and information kiosks in public areas,self-service terminals in bank,ticket vending machines,gas stations,aviation equipment,military equipment,internet publicphones,industrial consoles,industrial PC and so on.

Environment adaptation:
Operation temperature: -20~+65 RH:30%~90%.
storage temperature(recommended):-25~+75 RH:20%~95%(no condensate).
Air pressure:60~106Kpa
Reliability:ROHS,CE and FCC
Protection Level:IP65(front panel)
Key Lifespan:>5 years

Warranty: 12 months from receiving date or 15 months from date of dispatch ex-work Shenzhen, whichever comes first. Davo shall not be responsible for improper use or misoperation or modifying without authorization.
 
All language and layout is available.