Intelligent Schedule Lamp / Computer

With the increasing popularity of computers,people who have to work with computers are constantly suffering from occupational diseases like the diminution of vision and spondylodynia caused by improper sitting positions. The product, attached to the front part of a computer, can detect its user's incorrect sitting positions and over-long working hours so as to remind them to take regular breaks and relax themselves.
As the light works, the the LED bulb changes it's colour from green to yellow. It would turn red after 3 hours' continuous work and remind the user by giving out warning alerts through its speaker.