1.Black Color powder coating for frame,looks nice and not rust.
2.Solar energy sourced, cost nothing to operate, environment friendly.
3.Both clamp and screws included, easy installation.
4.Thicker and stronger steel material, suitable for windy mountain area, resist wind twist.
5.Automatically open and close greenhouse window based on environment temperature changes, help you maintaining the best growing temperature and prevent your greenhouse from overheating.
