We offer Auto ColorimeterAbsorbance & %T ModesCovers 400 to 700nmFast & Accurate OperationsAutomatic Zero Calibration1ml. Solution MeasurementStandard German Glass FiltersModelDigital Std. Glass Filter8 Mini Volume1 ml. Display3 Digit, Bright Red 7 Segment LED Range400-700 nm OutputOD: (0 to 1.99), %T: 0 to 199 ResolutionOD : 0.01, %T : 1% Accuracy0.5% FSI DetectorSelenium PhotocellPhotodiode Light Source6.8v, 300mA Power230V + 10%, 50 Hz. AC Dimensions220 x 180 x 125 mm (lxbxh) Approx. Weight2 Kg. (Approx.) AccessoriesSet of 5 Test Tube , Spare Lamp, Dust Cover & Manual