Specification & Special Feature : 1) The power: 3*1W 2) Colors: pure white , warm white ,cold white, blue, red, green, yellow, RGB, etc 3) Beam angle: narrow and wide 4) Bulb type: MR16, GU10, E27, ETC 5) Voltage: MR16=11-15V AC/DC , other types AC200-240 or 100-130V 6) LED source by TAIWAN chip or Custom-made ( Cree, Lumiled ,etc ) 7) Protection Class: IP548) Working Temperature: less than 45 degree 9) Life span: 10 year of regular use 10) Shell material: Aluminum Alloy 11) Quality Policy&Certificate: ISO9001 , CE , ROHS12) Warranty: 2 years NOTE :1) Super bright LEDs can injure the human eye at the close distance . These bulbsshould never be looked directly at for more than a few seconds 2) Don't need Electronic transformer and electromagnetic transformer Application Case:Our LED lighting and LED modules are widely used in all over of Shenzhen , Suchas indication system for SHENZHEN METRO, SHENZHEN Exhibition Centre, Train Stationand Gas Stations and CITY decoration .Packing: EXPORT PACKING producing area:China payment:T/T or L/C