Feature: 1. CURTAIN MOTOR: The electric curtain track is suitable for difficult to reach or thick curtains, with fast running speed, low noise, stable and reliable. 2. NOISE REDUCTION: Permanent magnet DC motor, effectively reducing noise by 30%, excellent central processing unit, low consumption and energy saving. 3. REMOTE CONTROL: Set the curtain switch time to automatically open and close, support remote control, and use the APP to check the status at any time. 4. VOICE CONTROL: This smart electric curtain motor supports voice control, suitable for Tuya application, with long wireless transmission distance. 5. ALUMINIUM ALLOY: The WiFi curtain motor shell is made of aluminum alloy, corrosion resistance, aging resistance, and has a long service life. Specification: Item Type: Electric Curtain Motor Model: CMD850E Material: Aluminum Alloy Rated Torsion: 1.2N.m Maximum Width: 12 meter / 39.4ft Rated Power: 45W Maximum Load: 50KG Protection Level: IP20 Rated Current: 0.14A Running Time: >4 minutes Operating Noise: 33dB Working Temperature: -10-50℃ Operating Speed: 14cm/s Minimum Width: 0.9m Wireless Frequency: 2.4G/433MHz Running Speed: 110rpm Remote Control Power Supply: 2 x AAA battery (not included). Package List: 1 x Curtain Motor1 x Remote Control1 x Power Cord1 x User Manual