AC Smart Chain Window Opener - Motorized Window Actuator for Skylight, Casement, Greenhouse, and Home Automation This AC Smart Chain Window Opener is designed for motorized window automation, compatible with various applications, including skylights, greenhouses, and casement windows. It provides remote operation through options for WiFi control via the Tuya/Smart Life app and supports voice control with Alexa and Google Assistant (in specific kits). Equipped with durable double-layer chains and overload protection, the opener can withstand frequent use and lift heavy windows up to 40 kg. Key Features: Durable Chain Mechanism: Double-layer chain design enhances durability and ensures smooth operation. Overload Protection: Built to withstand up to 20,000 open/close cycles, featuring a 2000N locking force and a 400N push/pull force. Operating Temperature Range: Suitable for temperatures between -20C and 75C. Technical Specifications: Motor Wiring: Three wires total (2 live, 1 neutral). Follow the manual closely for proper wiring. Remote Control Frequency: 433MHz. Power Supply: Input voltage of AC100-230V, 50/60Hz, with a maximum loading power of 500W. Control Range: Connects multiple motors simultaneously, but not individually. WiFi Support: 2.4GHz (only with WiFi-enabled kits). Stretch Length: Standard 300mm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.