CST2545W (L-TRAC) USB Wired High Performance Trackball, Black - Made in the USA
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your " id="replacementPartsFitmentBullet"><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a class="a-link-normal hsx-rpp-fitment-focus" href="#">Enter your model number</a><span>to make sure this fits.</span></span></span></li><li><span class="a-list-item"> 
							Laser Precision Tracking
							
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							Rugged Construction made of High Impact ABS Plastic
							
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							Width 3.75" (9.5cm), Length 6.75" (17.1cm), Height 1.75" (5cm)
							
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							Ball Size: 2.25"
							
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							Resolution: User selectable 400, 800, or 1600 counts per inch
							
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