Color classification; One set of aluminum substrate payment (lamp cap with out reflective paper), one set of usual price (lamp cap with reflective paper) Applicable: LG 50LN5400-CA/50LA620A TV tender strip. Light strip 6916L-1276A/1273A/1272A/1241A, The listing price is a group of 12 pieces, aluminum substrate, high brightness LED beads Package 1: Improved aluminum substrate, same lamp spacing, parameters, and interface. Package 2: Brand New Original