... not fixed, can design to any voltage you need.5.Power:5W*5 6. Life span: 50000 hours in average. durable ... the radiator with hard anodized processing.7. Intelligent constant current power supply, non-polarity design, high power factor and stability.8. Suitable for 12 ... ,9005,9006 PCB, Super flux, 3528SMD, 5050 SMD, festoon, High power etc;LED Strips:0603,1206,3528,5050,335,PVC etc