Specification: 1.High luninance 2.low power consumption 3.Long life upto 20.000 hours with high power LED 4.Easy to install 5.Ideal for medical, landscape and architectural. 6.Widely used in adverstisement and eabared. 7.Basic technical data. 8.Option:1W 9.Dimensioms:35mmX39mm 10.Available color: cold color 11.Heat-sink:pure aluminnum 12.Led input surrent: 1w=350ma 13.View angle:60 degree 14.LED intensity(lumen):1w=50lumen 15.Voltage:5VDC 16.Operating temperature:-20