Amazon.com: lumenivo R40 500 Watt Pool Bulb Replacement for Halco R40FL500/HG Incandescent Flood Reflector Inground Pool Light Perfect for Night Swimming - E26 Medium Screw Base - Frosted Glass - 120V :
Lowel Omni-Light 500W Focus Flood Light O1-10 B&H Photo Video
LED Flood Light 500W Equivalent - Change Halogen To LED