iOne Scorpius 35PRO USB Mechanical Trackball Keyboard

Scorpius 35PRO Large print Heavy Duty Mechanical Key switch keyboard with a built in Jumbo Trackball. Perfect for visually impaired person and also industrial usage such as controlling machinery or Personal use.This keyboard offers a trio of rugged, tactile response keys - you know what we mean... you press, you feel the spring, you hear the click - this is the way and everything else should be made! Along with a trackball.Scorpius 35PRO Yellow large print keyboards have been designed specifically for those with conditions that cause visual impairment or low vision, such as:*Macular Degeneration*Glaucoma*Diabetic Retinopathy*Cataracts*AgeThese user-friendly large print keyboards are also perfect for those who simply have a hard time seeing the existing commands on their keyboards.With a bigger and bolder typeface, the keys are easier to see. System requirements: IBM or compatible PC Windows 98SE/2000/ME/XP/Vista/7/8.Product Features:Yellow Large Print with UV coating.Built in 52mm trackball and 3 standard mouse buttons.400 dot per inch (DPI) opto-mechanical trackball mouseCherry MX Blue Mechanical key switches.USB Interface104 keys US layoutSpecifications:Operating temperature : 0„ƒ to 50„ƒ.Encoder : Opto-MechanicalSupply voltage : 5V+5%Current consumption : Max 40 mAOperation force : 55+10gSwitch : 50,000,000 life cyclesFCC & CE certificationRoHS complianceSystem Requirements:IBM or compatible PCWindows XP, Vista, Windows 7 and 8