Description Specifications Mfr Part Number: MM-711-WWOL1 Material: ABS Plastic Color: White  LED Color: RGB Surface: Yes,MasterPlus Support Cable Length: 1.8m Sensor : PixArtPMW 3389 CPI / DPI : 7 Levels(400 -800 -1200 (default) €“1600 -3200 €“6400 -16000) Tracking Speed : 400ips Lift Off Distance : < ~2mm Polling Rate : 1000Hz Dimensions: 142 —132 —45 mm)