Helps you grow by providing a light spectrum that’s concentrated in the blue, red and far-red wavelengths to stimulate flowering and healthy, vigorous growth. Perfect for orchids. The 160 Watt bulb lasts for 10,000 hours and is rated at 3,200 lumens. Works in a household socket and can be used for general lighting. This bulb lights up a 15 sq. ft. area. Clamp-on fixture with on/off switch and reflector included.