... energy saving led aluminum lamp cup 3W Energy saving,High efficency 2 years warranty CE&ROHs life:50,000h 3*1W special energy saving ... 50W halogen bulb replacement )Features:01) Base type: Lamp Holder: MR16,GU10,E1,E14,E17,E27 optional02) Energy-saving and ... environment-friendly03) Colors: cool white, warm white04) Superior thermal management with internal copper heat conductor and ...