Datacolor Spyder4Pro S4P100 Colorimeter for Display Calibration

　　cash only and local pick up only.

　　It is for photographer to calibrate computer display.

　　It is in new and unopen condition, I got this from bhphoto when it is on sale and just find it is not that useful to me, so want to sell it to get cash for other things

　　Automated Color and Brightness Calibration

　　Full-spectrum color sensor

　　Single sensor calibrates multiple displays

　　Improved accuracy and stability - The fourth-generation Spyders have double-shielded color filters for even closer match to CIE color standards and improved long term stability. Average accuracy is up 26% and consistency between Spyder units is 19% better.

　　Fast Re-calibration Assistant - The ReCAL feature makes it quick and easy to recalibrate your display to compensate for changes over time.

　　for more detail, please see link from amazon or bhphoto

　　/Datacolor-Spyder4Pro-S4P100-Colorimeter-Calibration/dp/B006TF37H8/ref=sr_1_1?ie=UTF8&qid=52&sr=8-1&keywords=spyder4pro