The Garden Grow String Lights by Spectrum are designed for use in greenhouses, featuring a 4-socket design with a 6' cord and LED bulbs that emit a blue spectrum light. With a wattage of 45W and an input voltage of 110V, these lights are suitable for rooting cuttings, seedlings, flowering, and maintaining mother plants. The rubber material ensures durability, and the E26 socket size makes installation easy. This set includes the cord and bulbs, providing efficient and effective lighting technology for your indoor gardening needs.