Philips Halogen Energy Advantage IR PAR Lamps combine visual appeal with energy savings and long life. These lamps provide high quality light that bring out textures in clothes and linens. Energy Advantage IR 39W 120V PAR38 DiOptic SP 10D CL 1CT. Base: Medium Skirted [Skirted Medium Screw (PAR Lamps)] - Base Information: Brass [Brass Base] - Bulb: PAR38 DiOptic - Bulb Material: Hard Glass - Bulb Finish: Clear - Reflector Finish: Aluminized - Filament Shape: CC-8 [Axial] - Operating Position: Universal [Any or Universal (U)] - Main Application: Spot - Atmosphere: Gas - RatedAvgLife(See Family Notes): 4200 hr - Initial lumen: 720 Lm - Color Rendering Index: 100 Ra8