Black fiber optic cable, inner diameter 2.0mm, outer diameter 3.0mm, used for medical light guides, taillight testing, equipment light transmission, and is a flexible fiber optic cable.
Flexible filament LED strip, 3V, 3mm diameter, 2700K, with same-end soldering for positive and negative terminals, specifically designed for nightlights.
High-transparency plastic optical fiber, 18.0mm in diameter, with a waterproof and decorative light guide strip throughout. The luminous outline is customizable.