1000 Watt - Digital Ballast - Grow Light Metal Halide or High Pressure Sodium - Dimmable - Pre-Wired with Dual Lamp Receptacle - 120/208/220/240 Volt - Nanolux NN1000D Go to amazon.com Related posts Check expert advices for nanolux 1000w ballast? FeatureBrand: Nanolux- Wattage: 1000 Watt- ANSI Code: S52/M47- Ballast Type: Electronic- Bulb Type: Metal Halide/High Pressure Sodium DescriptionBrand: Nanolux;- Wattage: 1000 Watt;- ANSI Code: S52/M47;- Ballast Type: Electronic;- Bulb Type: Metal Halide/High Pressure Sodium