Automatic Opening Closing Louver Blind Window Opener, Temperature Controlled Window Opener for Home Office, Aluminum Thermal Actuator with 25kg Force, No Battery Needed for

Condition: 100% Brand NewItem Type: Window OpenerMaterial: AluminiumOpening Force: 25kg / 55lbOperation Area: Start at 17-25℃ (63-78℉)Maximum Open: Full at 30-32℃ (86-90℉)Closing Force: 15kg / 33lb via heavy duty springSupport Bar Length: Approx. 34cm / 13.4inSpring Fixing Tool Size: Approx. 14 x 5 cm / 5.5 x 2 inWeight: Approx. 343g / 12.1ozPackage List：1 x Support Bar1 x Spring Fixing Tool4 x Slotted Screw2 x Small Cross Nail4 x TD Screws2 x Small Screw4 x Large Round Fixed Ring2 x Small Round Fixed Ring2 x Round Iron Ring1 x Instruction Manual

• Temperature-Activated Operation: This automatic window opener senses ambient temperature and smoothly opens or closes your louver blind window between 17°C (63°F) and 32°C (90°F), providing natural ventilation without electricity or batteries—ideal for greenhouses, attics, or sunrooms.
• Strong and Reliable Performance: The aluminum window opener delivers up to 25kg (55lb) opening force and 15kg (33lb) closing force via a heavy-duty spring, ensuring consistent operation even in breezy conditions while the support bar adds stability against wind damage.
• Universal Compatibility: Designed to fit most standard louver or blind windows in homes, offices, greenhouses, and sheds, this window opening tool is perfect for anyone seeking hands-free airflow control—especially gardeners, homeowners, and facility managers.
• Premium Aluminum Construction: Made from rust-, high-quality aluminum, this durable window opener withstands years of indoor or sheltered outdoor use without corroding, maintaining smooth function and clean appearance through seasonal temperature changes.
• Easy Installation with Complete Kit: Includes support bar, spring fixing tool, screws, clamps, and rings for secure mounting—no wiring or tools beyond basic household items needed. Set it up in minutes to automate fresh air circulation wherever you need it.