About This

• 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 with 2-spring type, suitable for windy mountain area, resist wind twist.
• 5.This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.