... keyboard with trackball 2,Water/dust proof,IP65 rated 3,64 keys,panle mount Key Features: 1) Waterproof rugged stainless steel ... keyboard with 64 keys and integrated trackball, panel mount 2) Protruding full travel(2 ... Min 5, 000, 000 actuations - Sealing protection: IP65/NEMA4X from the front - Vibration resistance: 5 Hz - 200 Hz, IEC 60512-4 ...