With Spectrum Genius Mobile (SGM) and Lighting Passport, you become an expert about lighting. No more obstacle communicating with supplier, colleague, client, designer ,film maker and photographer. When using Spectrum Genius Mobile (SGM), users can more easily identify measurement records by opening the photo access function and adding photos to the measurement records. Now Support: iPhone4S and later version iPad mini and later version The new iPad and later version iPod touch 5 and later version Suggest you update iOS to the latest one for best user experience. ____________________________________________ 「Spectrum Genius®」Cloud Service The World’s First Spectrum Platform Debuts! To enhance your ability for spectrum analysis and application about lighting, Asensetek® now provides a whole new platform - 「Spectrum Genius」 Cloud Service. Spectrum Genius Mobile Plus APP Download URL: (Download now for free) https://itunes.apple.com/us/app/spectrum-genius-mobile-plus/id1249201552 Spectrum Genius Cloud Service : (Register now for free) https://SpectrumGenius.com/ We invite you to join our cloud service and download Spectrum Genius Mobile Plus for the best experience. ______________________________________________ *Third Party Reviews --Lumeniquessl http://lumeniquessl.com/2014/08/13/light-meter-reviews-comparison-summary/ --EDN NETWORK http://www.edn.com/electronics-blogs/other/4431278/Comparing-handheld-spectrometers---and-what-s-in-it-for-you-- --CheesyCam http://cheesycam.com/uprtek-mk350-vs-asensetek-lighting-passport-led-spectrometers/ *Expert Endorsement --Serena Tellini and Francesco Iannone(European Famous Lighting Designers) https://www.youtube.com/watch?v=cb7zWRGDPEM --James Yuan(2008 Bejing Olympic Lighting Designer) https://www.youtube.com/watch?v=gTW5PjjMPNY