Automatic window opener designed for reliable, hands ventilation and controlled airflow. Key benefits Automatic opening between 16 and 25 degrees for consistent, predictable ventilation. Supports a capacity of 7kg, suitable for a wide range of window types. Maximum opening distance 45 centimetres to allow substantial airflow when needed. Durable galvanized steel construction for strength and long service life. Includes screws, nuts and sprints for straightforward installation. Combines traditional mechanics and modern development for dependable performance. Trusted range and a gift idea for fans of practical home hardware. What it solves Eliminates the need for manual window adjustment for day to day ventilation. Provides controlled opening to prevent overventilation and reduce drafts. Helps protect windows from slamming shut in changing conditions by providing a predictable opening range. Product details Function: Automatic window opener Opening angle: 16 to 25 degrees Capacity: 7kg Maximum opening: 45 centimetres Material: Galvanized steel Included: Screws, nuts and sprints Typical use scenarios Home ventilation: Install on attic or upstairs windows to maintain steady airflow without having to open windows manually. Greenhouse or conservatory vents: Provide automatic, measured openings to help regulate temperature and humidity. Workshops or storage spaces: Allow controlled ventilation for temperature management and air exchange while keeping windows secured. Quality and development Product development emphasizes careful selection of raw materials and continued research and development to maintain and consistent performance. This automatic window opener provides a practical, durable solution for controlled ventilation while including the hardware for installation.