Led spot bulb: jdr4w Features: 1) base type: e27 base 2) energy-saving and environment-friendly 3) full range of colors: cool white, warm white 4) superior thermal management with internal copper heat conductor and external aluminum housing 5) luminous flux: 230lumens and 200 lumens 6) beam angle: 360 degrees 7) body temperature: less than 53 degrees celsius 8) led working temperature: less than 62 degrees celsius 9) lifespan: 50, 000 hours 10) no uv or ir radiation Application: Replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters where uv or ir radiation is undesirable. Led spot bulb: jdr4w Features: 1) base type: e27 base 2) energy-saving and environment-friendly 3) full range of colors: cool white, warm white 4) superior thermal management with internal copper heat conductor and external aluminum housing 5) luminous flux: 230lumens and 200 lumens 6) beam angle: 360 degrees 7) body temperature: less than 53 degrees celsius 8) led working temperature: less than 62 degrees celsius 9) lifespan: 50, 000 hours 10) no uv or ir radiation Application: Replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters where uv or ir radiation is undesirable.