Blackout light based on crops' growing demand and time to market.
1. Economical transmission system by wire cable or long-life transmission system by rack & pinion are optional for the roof retractable blackout system.
2. Flexible up-down rolling system for the side blackout system.
3. Various kinds of blackout-shading curtain (99% shading rate) in different materials and colors (white, black, gray, silvery) are available based on the crops' demand and certain area's climate.