7 inches TFT color screen and windows graphic interface. Powerful functions like Photometric measurement, Quantitative measurement, Kinetics, Spectrum scan, DNAmulti-wavelength test, etc In-house massive memory is capable of saving up to 1024M for test data & working curves. Supports USB storage. The USB port can be used for data transfer, which is easily exported to Excel for further processing,analysis and storage. Socket type deuterium and tungsten lamp can make lamps switching without optics debugging and easy to be replaced. Large sample chamber can accommodate 5 Extensive accessories are optional, such as 50/100mm cuvette, persothermal printer, etc.