Features: 1) Long lifetime up to 20,000 hours 2) Power: 4W 3) Luminous flux: 50lm/W 4) Color temperature: 2,700K, 4,200K, 6,400K for white color 5) Voltage: 12 - 24V, 110 - 130V, 220 - 240V 6) Color: red, white, blue, green, and yellow 7) Need additional ballast to work 8) Applications: residential decoration, emergency, and indicator lighting