... well design, low working temperature high lumen efficiency Lotus energy saving lamp1. Small and exquisie, no dark spot. Ideal ... usual bulbs.5. 6 times of brightness and 80% energy saving than usual bulbs.6. Application scope:suitable for downlights,table ... factory and shop etc8. Service life up to 8000 hours . , high light efficieny,light decay rate below 15% after 2000hours . Lotus energy saving ...