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Vandal  Proof  Stainless Steel 25mm Trackball with  3  Buttons 

Specification:

1. Flat surface ,dust proof ,vandal proof with click buttons 

2 .Water proof level IP65

3. 25 mm trackball 

Main Feature :

- Made of anti-rust,abrasion-resistant stainless steel

- Dust-proof and liquid-proof,IP65 compliance

--  Specially designed for harsh environment ,use the brushed 304 stainless steel material

- Compatible with WINDOWS98/ME/2000/XP/Mac/Win7/Linux

- PS/2 or USB interface for option

- Panel mounting

Material :

Front Panel : Super quality 304# brushed stainless steel

Kyecaps: 304# brushed stainless steel

Back plate : Aluminum alloy

Interface :  Support PS/2 or USB RS 232

Typical Application :

This metal keyboard is specially built and designed for the application in Meadical , Banking , Tele-communiation and some special industrial console area . 

 Electrical Performance :

--Power supply voltage : 5V DC ± 10%

--Current rating :20 mA

--Key resistance :<10Ω ,insulation resistance ﹥100MΩ

Environmental Characteristics :

Operation Temperature :-20℃ to + 85 ℃

Storage temperature: -30℃ to +80℃

Relative humidity: 30% to 95%

Atmospheric pressure: 80 kPa to 106kPa

Mechanical :

 Trackball diameter: 25mm 

 Lifecycle: >5 million times per key

 Key Travel: 2mm

 Actuation Force for Keys: 80g nominal

 Lettering: etched graphics with permanent ink

 Reliability

 MTBF >2,0000H

 MTTR <30min