PUREX Technology 3000 DPI High Precision Wired Optical Gaming Mouse with adjustable Thumb-Rest - PXE-M720BU<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Adjustable 3000/2000/1500/1000 DPI hardware switch with LED indicating light， no software installation required. </span></li><li><span class="a-list-item"> Color LED indicates DPI values， 1000 DPI (Green)-1500 DPI(Red)-2000 DPI(Blue)-3000 DPI( Purple) </span></li><li><span class="a-list-item"> Ergonomic right-handed Design and 3-level adjustable Thumb Rest a prefect fit for different Palm Sizes </span></li><li><span class="a-list-item"> Forward and Backward Buttons located on Thumb Rest for Easy Access </span></li><li><span class="a-list-item"> Avago A3050 Optical Sensor supports maximun 20g Acceleration. 500 Hz Polling Rate. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/416ZcEzKsfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41aG3OlnZ8L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31cIF9iVo-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41e%2BT1R5IWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31MZxvEUntL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31859e-YnWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31pj-d80ngL.jpg" noproxy>