... : 1.high brightness LED chip 2.3W, more than 220LM 3.FR4 PCB,15leds 5050SMD 4,IP44,>=50000h led SMD spot ... with internal copper heat conductor and external aluminumhousing8. Brightness degradation: 3% - 5%1kh9. Lifespan: more than 50000 hours10. Body temperature: less ... , house, exhibition halls, and other local decorative lighting projects. 15 leds 5050 E14 led SMD spot light