Specification & Special Feature : 1)The power: 3W 2) Colors: pure white , warm white ,cold white, blue, red, green, yellow 3)Beam angle: narrow 4) Bulb type: MR16 5) Voltage: MR16=11-15V AC/DC 6) LED source by CREE. 7) Protection Class: IP54 8) Working Temperature: less than 45 centigrade. 9) Life span: 10 year of regular use 10)Shell material: Aluminum Alloy 11) Quality Policy&Certificate: ISO9001,CE,ROHS,FCC. 12) Warranty: 2 years NOTE : 1) Super bright LEDs can injure the human eye at the close distance . These bulbs should never be looked directly at for more than a few seconds 2) Don't need Electronic transformer and electromagnetic transformer. Application Case:Our LED lightings and LED modules are widely used in all over of Shenzhen,Such as indication system for SHENZHEN METRO, SHENZHEN Exhibition Centre, Train Station and Gas Stations and CITY decoration.