17W 27W 35W SANSI LED Light Bulbs High Power Lamp Warm/Cool White ES/E27 Bayonet

What's the difference between SANSI LED bulbs which adopting SANSI Patented Ceramic Technology with other bulbs?. 【25000 hours lifespan】Adopted SANSI Patented ceramic heat dissipation technology makes this bulb more stable, ensures a longer service life (25000 hrs).

eBay