Gardening Indoors with HID Lights

BKHID Features: -General information about light and its relationship to plant health. -Various sources of light, including sunlight and artificial light. -Incandescent, tungsten halogen and fluorescent bulbs. -High intensity discharge (HID) lights and their horticultural applications. -Made in the USA. Subject: -Gardening. Age Group: -Adults. Country of Manufacture: -United States. Dimensions: Overall Height - Top to Bottom: -8.3". Overall Width - Side to Side: -5.5". Overall Depth - Front to Back: -0.4". Overall Product Weight: -0.45 lbs.