14 Watt Linkable, 24-inch Grow Light Fixture with Lamp. Link Up to 5 Fixtures Together. Attaches to Most Surfaces with Velcro (included). Our 14 Watt Grow light Fixture Includes a 21-inch Grow light Lamp in the 24-inch Fixture. The Grow light Lamp Provides Balanced Light Designed to Stimulate Indoor Plant Growth and Promote the Growth of Seedlings. The Grow Light Installs with Velcro, Requires No Tools, Comes with a 21-inch Replaceable Light bulb, Has an On/Off Switch, a 6-foot Cord and Built-in Electronic Ballast.