Philips PAR38 Spot Flood 80W Spotlight 

PAR38
Pressed-glass 121 mm diameter reflector lamps of high
luminous intensity
Benefits
Produces the same useful light as conventional PAR lamps at 20%
lower energy
Features
Spot versions have a stippled front reflector producing a narrow,
homogeneous beam
Flood versions have a front refractor composed of prismatic
elements
Application
Can be used indoors and outdoors, or wherever blown-bulb
reflector lamps would be too vulnerable
Indoors: shops, window displays, homes, hotels, restaurants,
theatres, museums, exhibitions and buildings
Outdoors: floodlighting, advertising signs, buildings, statues, podiums,
sports grounds, parks and gardens
Can be installed outdoors without any protection, provided they are
used in a watertight lampholder
For outdoor use, a heat-resistant rubber ring must be fitted between
the lamp and the lampholder