The product is specially applied in Hydroponics lighting, grow lighting.These light systems represent the best value grow light currently available. High pressure sodium lighting systems produce a red/orange spectrum which is an ideal choice if you wish to encourage rapid fruiting, flowering and budding. It is energy-saving, stable in light efficiency, easily installed and light in weight. Air cooling your lights will increase plant growth because of lower temperatures in the grow room. The lamps will last longer running at lower temperatures too. An air cooled system is better for rooms with carbon dioxide (CO2) enrichment because most of the air flow for cooling can be separate from the environment of the plants. Includes "V" hooks for hanging. Includes the socket and lampcord. The lighting can reduce the plant's growth cycle, hastens the growth of plants.and make flowers more colorful. It's widely used and becoming the first choice for saving energy in the industry of horticultural lighting. The complete set of includes: Reflectors,lighting holder, one MH lamp and one HPS lamp. We have 1000W 600W 400W 250W available. about detail please contact - Light in weight - Reduced heat output - Super heavy-duty mains cable - No reflector plug/ socket - Hard wired for additional safety - Superior lamp life - low power consumption 1.80a All these features are house in a unique cast Aluminium extrusion, which offers greater strength, ultra cool running and long life.