This rotating Christmas tree base is constructed from durable, reusable plastic. It is a functional accessory designed for artificial Christmas tree displays. The stand features an automatic 360-degree bidirectional rotation to prevent light cord twisting. It is suitable for indoor and outdoor use with artificial trees and can also function as an umbrella stand. Two sizes are available: - 66cm model: For trees up to 7.5FT/30KGS with a trunk diameter of approximately 3.2cm/1.25 inches. - 80cm model: For trees up to 8.5FT/30KGS with a trunk diameter of approximately 3.2cm/1.25 inches. The aperture supports a maximum inner trunk diameter of 3.3cm, adjustable via three screws. The stand has a weight-bearing capacity of 70-80 pounds. Assembly Instructions: 1. Press the 4 legs into the cross channels at the bottom of the stand. 2. Place the tree into the top hole. Manually turn the 3 triangle screws to secure the trunk tightly, ensuring the tree remains upright. 3. Mount the light cord around the trunk before connecting it to an AC extension cord or wall outlet. 4. Plug the DC adapter into the DC jack on the RTS switch box and turn on the switch. Condition: New. Material: Reusable Plastic. Color: Green.