led bulb, that we offer, has high-quality aluminum housing, fine workmanship, structure, appearance, and advanced heat dissipation technology. No uv and flickering are included in led bulb. The led bulb is very comfortable for eyes. Led bulb, available with us, is energy saving and requires lower maintenance cost. details no mercury, so green and environmental protection impact resistance, shock-proof, without uv easy to install high cri to get vivid color