Rope Light:1. Selecting high quality LED for Rope Light production.2. Using high transparent, UV-resistant, frigid-proof, environmental-friendly and non-toxic PVC.3. Using special soldering materials and technology to avoid flicker or dead bulb. 4. Special construction of LED body enables connecting wire to be flexible freely.5. Bending test to control and avoid LED bulb being flicking and dead6. Using large viewing angle and special optical design to gain a soft and regular light.7. Adopting high waterproof technique for power cord, AC/DC converter, end cap, connector etc. 8. IP65 waterproof rating9. CE,GS,CB,SAA, UL, RoHS approval