* Metal Keyboard with Trackball(IP65);
* Trackball Diameter:38mm;
* 64 Customizable Stainless steel keys;
* Supply Voltage: +5V DC +/-5%;
* Lettering: Sunk laser legends & characters in high quality ink;
* Actuator/keys materials: stainless steel;
* Switch life: more than 3 million of operations;
* Key travel: 2.50mm;
* Compatible with WindowsNT, Win98, Win2000, WinXP
* Interface: PS2, RS232, USB available;
* Lifespan: > 5 years;
* Actuation Force: 2N;
* Contact Material: Carbon / Gold;
* CE, RoHS, FCC
* Front panel dimensions:392X110 mm;
* GW: 2.10KGs.