E27 50w par20 cold light reflector bulb halopar osramthe osram halopar 20 can be used quickly and easily through its standard screw socket e27 and offers significantly more light than conventional light bulbs with twice the lifespan pure natural halogen light about 2 800 k with glass reflector for brilliant light effects with cold light reflector warm in the back cold in the front ray angle 10 30 100 dimmable perfect colour reproduction ra100 immediately 100 light n