... -proof life is 5million hour EMC design high quality LED Tube,led guardrail light,Led lamps,led bulbProduct Description ... LED Guardrail Tube Features:1. High-quality PC tube, anti-aging, blending uniformity, good transparency;2. Tube color: transparent, white, colour; tube are ... cold light source, epoxy resin encapsulation, no filament heating; rated voltage, constant current for power supply to ...