Advantages: 1. Language for choice: English, French, Dutch, Chinese, Japanese, Portuguese, German, Korean, Malaysian, Indonesia, Bulgarian, Hungary, Russian, Serbian, Slovak, , Romanian, Vietnamese, Thai, Spanish, Polish, Netherlands, (for Spanish ), (for English ), (Chinese+English+ ) for 3 in 1, etc.(English, Spanish and German three-in-one CD-ROM will be sent by default) When operating the win10 system, it is necessary to block the software, and other systems should exit the software and install and run it as an administrator. Installation: 1. Must exit the software and delete all other quantum software installed in the computer before installation. 2. Run the software as administrator when installing. 3. If the window show "Can not find the encryption key" when opening the software, please restart the computer. Colour: picture color Material: ABS Package Contents: 1 * Quantum Therapy Analyzer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.