... Double Ended R7S BulbWhy Choose R7S LED Bulbs?The bulbs use high quality EPISTAR LED chips which emit a great output ... a much cleaner light. And due to the high quality LED chips used, the colour represent no flash and lumens ... specialize in LED indoor lighting- LED bulb(E14,E27,G4,G9,G24,R7S etc.), LED (flexible) strip, LED fluorescent tube, LED ceiling light, LED downlight, LED spotlight, LED panel ...