Features:

•% displays differential from reference point

•"ZERO" Re-calibration

•±4% accuracy is enhanced by selecting lighting type Tungsten/Daylight, Flourescent, Sodium, Mercury)

•Record/Recall MIN, MAX and AVG readings

•Data Hold plus Auto shut off

•Buil-in RS232 serial interface, optional software

•Dimensions 7x2.9x1.3" (178x74x33mm); weight 1.6lbs (726g)

•Complete with 9V battery