· Base type: E26 base
· Energy-saving and environment-friendly
· Full-range of colors: cool white, warm white, red, blue, green and yellow
· Superior thermal management with internal copper heat conductor and external aluminum housing
· Light source: BridgeLUX 4X1W high-power LED
· Luminous flux: 280 to 300 lumens
· Color temperature: White: 2, 700 to 6, 400K
· Input voltage: AC: 85-260V/DC: 12V or 24V
· Beam angle: 50, 70, 100 degrees (glass lens, optical grade)
· Body temperature: less than 53 degrees celsius
· LED working temperature: less than 62 degrees celsius
· Temperature: -30 to 60 degrees celsius
· Brightness degradation: 3 to 5%, 1kh
· Life span: 50, 000 hours
· 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"