Big Growing Performance in a Small Package 10% More Lumens than Magnetic! 30% Lighter than Magnetic! •High intensity grow light with built-in digital ballast •Virtually silent operation •Automatically converts from Sodium to Halide •Energy efficient •Air-cooling options available •Low profile, light weight •Completely pre-wired •Includes instructions, hangers and lighting recommendations To avoid lamp compatibility issues, do not use standard Metal Halide lamps with the SBE product line.