The chicken coop auto door solar kit is compatible with all coop auto door products (both the basic model and the sunrise/sunset model which never needs adjusting and chickens are naturally trained within days). It requires no assembly and includes mounting hardware and cables in the kit. The panel can be staked in the ground or attached to the wall with a self-contained mounting bracket. If you are currently using expensive batteries to power your auto door, consider solar power our solar panel provides a constant trickle charge to its integrated rechargeable battery unit. No battery replacements are required ever again. The solar panel includes LED lights that indicate the charge level of the battery. Blue indicates charging mode, green signals full charge, and red indicates low battery power. Output voltage is rated at 7.4v.