UL-Marked E27LED Bulb with Good Heat Sink

4 Years Warranty, Self-mold LED Bulb Light, Category: LED Lamps Bulb Light, LED Bulb Light, LED Bulb Lighting ,Dimmable LED Bulb Light, Fluorescent Light Bulbs, LED Lighting Bulb, Energy Saving Light Bulbs, LED globe-shape bulb, LED ceramic bulb Distinctive Features 1. LED Bulb Lamp With Unique Design: Self-opening mold, self R&D center. 2. Power supply: Patented, new technology, without electrolytic capacitor, 50,000 hours lifespan. Power efficiency>0.87 3. Excellent Heat Dissipation Structure: Temperature rise < 20, protect LED's effectively and increase LED bulb's lifespan. 4. Optical Feature: PC cover, light transmittance >94%, light uniformly, and high efficiency. 5. Quality Guarantee = 4 times check + 5S IQA + IPQC + FQA + OQA 4 years warranty! 6. R&D capability: LED encapsulation, LED lighting, driver design, thermal design, optical design, shape design Parameters: Specifications of LED Bulb Lighting name 5Watt Hig