Metal PC keyboard with Trackball,Widely used in the following fields: -Automatic Teller Machines (ATMs) -Self-Service Terminals -Info- Kiosk -Unattended Payment Solutions petrol Fore Court Payment ticket Vending Machines kiosk Solutions parking Venues BASIC SPECIFICATIONS -Total keys: 64 -Size: 220*101mm -Key life span: > 2,000,000 times -Key pressure: 2-3N -Key travel: 0.45mm -Key and panel material: high stainless steel -Protection level: IP65 static / IP54 dynamic -Key graphics: laser engraved lettering and strong painting Trackball -Diameter: 36mm -Material: stainless steel -Actuivation force/trip: 65g / 1.5mm