Product Name : Mispa-i2 Description : Principle: Nephelometric and Photometry Calibration: Smart Card (Integrated Circuit Card)  Light Source: Laser LED  650nm Laser Power:5 mw Photo detectors: Laser detector Temperature Control:Dry heating Temperature rang:Controlled 37 degress Celsius Mixing: Automation by motor Zero setting: Automatic Keyboard: Numeric and FunctionalKeys(21Keys) Display: 128 x64 Graphical Display Printer: Inbuilt