Compatibility: IBM AT, PS/2 DOSV, USB (optional) Layout: 107/108/112 Total travel (mm): 3.5 0.5 Travel to peak (mm): 1.0 0.2 Peak force (gm): 60 15 Operating temp. : - 20 to 50 XC Storage temp. : - 30 to 80 XC Operating humidity: 10% to 95%RH Life cycle: 10 million stroke Electronically data : + 50VDC 30mA(max) Dimension (mm): 485 x 165 x 16 Weight (g) : 220 10 Improved space-saving design by applying TPU material One piece pattern prevents dust with water resistant Highly reliable membrane contact technology Soft-touch, quiet tactile key action Works with PS/2 or AT style system Multi-language available Available color: white, orange, blue, green, black, silver Packing: 1pc/blister or box, 20pcs/ctn/2`, 9.5/10.5kgs