Automatic Temperature Control Function: Unlike other products, our top roof vent of the green house is equipped with 2 rods. One of the rod can automatically adjust the angle of the window according to the actual temperature. When the temperature reaches 10℃, the window slowly closes, and when it reaches 35℃, the window opens to a maximum angle of 35°. The other rod can manually adjust the window angle according to your requirement Premium Cedar Wood: Made by high quality Cedar Wood, this greenhouses for outdoors has certain insect-proof capabilities that can withstand long time use. Plus, it is in good stability that is not prone to severe cracking or distortion Multi-Layer Polycarbonate Panel: We provide inserted polycarbonate panels to facilitate customers to install this outdoor greenhouse. These panels not only mimic natural light distribution, but also effectively filter out over harmful UV rays, shielding plants from sun damage while promoting uniform growth from seedlings to maturity Spacious and Useful Gardening Space: You'll find plenty of space in our polycarbonate greenhouse to grow a variety of flowers, vegetables, and plants. It's also perfect for storing tools and equipment, making it both a practical garden room and a special retreat for unwinding. And an additional vent to allow for ventilation when the windows are closed Additional accessories for convenience: This walk-in greenhouse comes with the heavy-duty hooks, each supporting up to 55 lbs, for hanging of lights, chlorophytum, or decorations. With anchoring stakes and expansion bolts, it can support a maximum snow loading depth of 6 inches and 60-70 mph of wind Aoxun 6x12 FT Wood Green House for Outdoors, Polycarbonate Panel Wooden Walk-in Greenhouse Kit with Temperature Control Roof Vent and Lockable Door, for Outside Backyard Garden, Natural