metal keyboard with trackball - I-KB005

Model: I-KB005 Dimension:392x135mm
Technical index:

Trackball diameter: 38mm
83 Customizable stainless steel keys;
Dustproof, water proof, vandal resistance;
Switch life: more than 5 million of operations;
Key travel: 2.30mm;
GW: 2.20KGs.
Interface: PS2, RS232, USB available;
Lifespan: > 5 years;
CE,FCC,RoHS