Metal Keyboard with Numeric Keypad wholesale china

Mechanical data:
Key: 81 tactile feel keys in super quality brushed stainless steel
Key top style: plain/non-protuberant rectangular keys with laser engraved and etched legends and raised braille on keys are available
Touch pad cover: composite
More than lifetime 10 million strokes
Mutual capacitance sensing:
X/Y position sensing resolution: 40 counts/mm
X/Y position reporting: relative
Output (self-detectable depending on cable): PS2 or USB
Tracking speed: maximum 1,016m/second
Power supply voltage: 5V DC, 498410.25V
Current rating (active mode): 17mA
Front plate: super quality brushed stainless steel
Short key travel: 0.45mm
Switch life: 5 million operations
Actuation force: 2.0N for key 14 x 14mm (pressure point) 4.0N for key number 14 x 28mm (pressure point)
Lettering: sunk laser legends and characters in high quality ink
Actuator/keys materials: stainless steel
Gross weight: 2.0kg
Dimensions: 392.0 x 110.0mm (front panel), 416.0 x 134.0mm (back panel)
Electrical data:
Supply voltage: 5V DC 498415%
Current rating: 20mA
EMC standard: the council EMC directive 89, 336 and EEC
EN55022: 1988 + A1:2000 + A2:2003
EN55024: 1988 + A1:2001 + A2:2003
Emission: EN 50081-1
Immunity: EN 50082-1
Lifespan: >5 years
Switch contact material: gold-on-gold key switch technology with metal dome PCB
Interface: PS2, USB available, RS232 for EPP
OS: DOS, Microsoft Windows95, 98, NT, Me, 2000, 2003, XP, Vista, Linux, Unix, Mac OSX
Environmental adaptability:
Operating temperature: -20 to +60?C
Storage temperature: -30 to +70?C
Operating RH: 30 to 90% RH
Atmospheric pressure: 60 to 106kPa
Saline mist: 96 hours, IEC 60512-6
Damp heat test at +40?C: 21 days, IEC 60512-6
Dry heat test at +85?C: 10 days, IEC 60512-6
RoHS compliant, CE and FCC
Protection level: IP65 (front panel)
Key lifespan: >5 million actuation
Touch pad lifespan: >10 million strokes
MTBF: >50,000 hours