The new COB design simply use the chips directly, which make the emitting units unprecedentedly close to each other, and create super even lighting performance. 352 chips per meter, 8mm PCB width, no more worries about dark spot! Red/Green/Blue single color all available. Both 12V and 24V are available.180° beam angle, 50% wider lighting than SMD design. Even better heat sink than regular LED strip lights.