The technology is from professor in Tsinghua University, who has more than 10 patents. His mature technologies include cable tracing technology (that can be used for detecting electromagnetic waves, wall cable positioning, underground cable circuit location, harmful electromagnetic energy detection), household health and fitness tests assistant device (can be used for body fat testing, skin moisture testing, heart rate testing, infrared temperature testing); integration systems of integration collection (can be used for industrial site monitoring systems integration, virtual instrument technology, augmented reality technology, wireless sensor systems and intelligent transportation system).