This module comprise one ASIC, one sensor, one full color LED as light projector and one full color display LED. The brief introduction as following: Patent: 1. uColor Simulating Apparatus vChina patent, 2002.10.9, Patent No. G517945 2. uColor Simulating Apparatus vR.O.C. patent, 2004.10.26, Patent No. G225399 3. uColor Simulating Apparatus vU.S.A. patent G 2005.4.5, Patent No. GUS6876497B2 Function: Display background color immediately Color identify Display complementary color Applications: Color inspection apparatus (active) Ornaments (ex. Gtiepin Bbreastpin Bearrings Bhats Bbelt Bhandbag Bhair pin Bpen) Building outside decoration French windows luminescence decoration Restaurant BHotel BInn : floor colored light brick Christmas lamps Children safety devices (ex.: clip on cloth Bschoolbag Bhat) Toys Decoration lamps or safety lamps for vehicles Bmotorcycles Bbicycles Computer mouse Computer shell Screen bottom color of computer BPDA Bmobile phone Incoming call display of mobile phone Mobile phone shell Streetlamp decoration Containers of cosmetics Tea set Furniture etc.