Automatic Greenhouse Roof Vent Opener Cylinder Replacement Temperature Sensor

Features: 1. Made of high-quality material, durable and convenient to use. 2. Automatically adjusts the temperature to maintain optimal growing conditions and prevents your greenhouse from overheating. 3. Non-electric, uses solar power, opening or closing the greenhouse vents as the temperature rises or falls. 4. Perfect for your greenhouse window. 5. This product must be refrigerated before use. Specifications: Features: Made of high-quality material, durable and convenient to use. Automatically adjusts the temperature to maintain optimal growing conditions and prevents your greenhouse from overheating. Non-electric, uses solar power, opening or closing the greenhouse vents as the temperature rises or falls. Perfect for your greenhouse window. This product must be refrigerated before use. Specifications: Item Type: Greenhouse Reel Opener Cylinder Temperature Range: 15°-25°/60°-77°F Weight: Approx. 107g Package: 1 x Greenhouse Reel Opener Cylinder Notes: Do not use this opener cylinder anywhere the temperature will exceed 50°F (122°F). Do not disassemble the cylinder. These products must be refrigerated before use. Monitors are not calibrated the same way, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Please note that the new and old types of this product will be sent randomly, and make sure you do not mind this before ordering.