metal keyboard with trackball - I-KB007

Model: I-KB007 Dimension:392x110mm
Technical index:

Stainless steel keyboard with optical trackball
Optical trackball diameter:38mm
Dustproof, water proof, vandal resistance;
65 Customizable stainless steel keys;
Switch life: more than 5 million of operations;
Key travel: 2.00mm;
GW: 2.10KGs.
Interface: PS2, RS232, USB available;
Lifespan: > 5 years;
CE,FCC,RoHS