... , round 50, round 30, and so on.LED Guardrail Tube length normally 1 meter, can choose transparent cover or creamy ... uniformity, good transparency;2. Tube color: transparent, white, colour; tube are circular, D-shaped, U-shaped (with plug, bracket);3. Every meter ... multi-color change;7. Control Type: have two kinds:Tube control, External controller.Can overlap connectionwith DMX512 controller for IC ...