3528 smd led module 1,Free sample 2,stable and weatherproof ... G/B/Y/DW/WW/CW)IP GradeIP65Application:1,Sign Board Backlighting2,Channel Letters Backlighting3,Advertisement Signs ... Sign Backlighting6, Stage Backlighting7, Message Display Backlighting Instructions:1, SMD with high brightness, suitable in digital LED ... of different color's character and design3, This module could be linked up to 20PCS, more ...