Unique technology - LED chip bonded to sapphire substrate - ensures long life and stable performance Technical advantages - long life span (15,000 hours) - high efficiency (from 80 to 100 lm/w) - mercury free - saves 85-90% energy compared to incandescent bulbs Direct replacement of incandescent bulb - 360 degree distribution of light Warm to the touch - vintage appearance - environmentally friendly - dimmable St19 Type 60W uses 5W Medium base 450 lumens 2200K soft white 15,000 hours