This item is provided by Crutchfield.com and includes free phone technical support for the life of the product. Details on how to take advantage of this service will be included with your package. Should you have any issues locating information on how to contact Crutchfield Technical Support, please contact this website's Customer Service department. The Sanus CALW01-B1 work lights illuminate the rear of your rack-mounted system, making it easy for you to make wire connections between components. These lights come with magnets and clips, so you can mount them just about anywhere in the rack. Designed to work with the CAPT01-B1 Multi-Volt Power Supply , you can daisy-chain up to three of the lights together and use only a single 12V outlet on the power supply. What's in the Box: 1. 2 LED light strips 2. Two 39" power cords (with DC power plugs on both ends) 3. 2 Plastic clips (attached) 4. Instruction Manual