Good question, I checked on this for you and found out.
**Go Power Solar Elite Charging System - 380 Watt Solar Panels - 2,000 Watt Inverter Charger # 34282184.
This unit does come with a set of instructions, you can also find the instructions linked on the webpage closer to the bottom.
I will link to an installation guide as well to give you some help. view full answer...