The 4600 Series includes five models of consistent design, rugged sealed die-cast aluminum construction with an offset swivel for balance. A wide range of photometric performance is available with internal and/or external glare control. The 4640 accommodates the popular PAR-38 lamps for a wide variety of landscape and architectural applications. It also accepts the T-6, G12 metal halide lamp for exceptional spot performance from a new reflector design for ranges to fifty feet. The 4640 is also compatible with both LED and RGB LED lamps.