Regardless, you should check your calibrations at least monthly.
papa wrote:
I bought it new from BHPhoto and used it twice on two displays. It works perfectly. I no longer need it as my monitor and laptop have held the calibration and I'm passing it on to someone in need for a $60 savings over the NIB from BH.
It's sold to the first person to PM to me their COMPLETE and CORRECT PayPal verified email address to receive and detailed invoice.