*Real water-proof design *Standard, simple and always popular Low noise, silent tactile key switches for quiet and easy typing *System requirements:DOS5.0/WIN95/98 /NT/ME/2000/XP * Interface:AT/PS/2 USB *Layout: 104/105/106/107/109KEY * Switch life:10 million times * Working current:20mA * Working voltage: +5V +0.5V |
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