Easy to install with supplied clips and screws. Comes with all the attachments you need. There are jumper cords to connect fixtures so that only 4 power source cords would be needed.
This grow light is perfect for keeping my plants aliive! I have them over some cactuses that are still rooting and need extra light. This product is perfect to keep my cacti healthy during the winter.
Don't waste time with this. I have two lamps and after a week or so one lamp failed. Well, not a great product because of a timer.