This Hydrofarm 1000 W. High Pressure Sodium Grow Light Ballast Metal Halide M47 Lamp is the perfect addition to any indoor or outdoor garden. It is designed to provide optimal lighting for your plants, ensuring they grow tall and healthy. The ballast controller is made of durable metal and is built to last, providing you with a reliable and long-lasting lighting system. With a wattage of 1000 W, this grow light is very powerful and can handle even the largest of gardens. It is compatible with a variety of different grow lights, making it a versatile and practical option for any gardener. This ballast controller is ideal for those who want to invest in a high-quality lighting system that will provide their plants with the care they need.