BLUEFIRE 8 Watts A19 LED Light Bulb, Natural Daylight LED/ 5000K, 750 Lumens, 60W Replacement - 4PCS Pack Brighter than ever with the latest high-brightness LEDs technology, 750 lumens light output with efficacy 93 lumens per watt It pays for itself in less than one year of usage (based on 3-hr usage/day and $0.12KWh rate) Guarantee no buzzing noise (a noticable difference compared to other brands) Instant ON; no warm-up time. Mercury-free; environmental-friendly! Traditional Edison bulb shape features a wide beam angle for a broader area of illumination.