This Multifaceted Reflector Leads Airfield Light Bulb is a specialty item. Its 40 watts, current control, reflector finish, and leads with female round base, make it perfect for use in airfield/ airports. The bulb can operate at any position and has a Color Rendering Index of 100, which is the best possible score. In addition, it can last up to 1500 hours and its small size allows it to fit in a multitude of fixtures. This halogen lamp can produce a higher color temperature and lumen than a standard gas lamp of comparable power.