Smart Home Integration: Seamlessly integrate with your smart . Versatile Compatibility: Designed to fit 17mm, 25mm, and 28mm tubes, enhancing convenience and energy efficiency in your home or office. Effortless Operation: Control your shades via smartphone using the Tuya Smart app. Set schedules, adjust remotely, and enjoy the ease of automated blinds that adapt to your lifestyle. Input:DC5V/2A Rated Power:5W Battery capacity:7.4V800mAh Torque:0.3Nm Rated PRM:33RPM Running noise:35-40dB Max load(use with 17mm tube):2KG Battery: 2 x AAA (Batteries not included) Due to different batches, there may be differences in product appearance and printed text, which will not affect use Colour:White Material:ABS+Stainless steel Package Contents: 1 x Tuya Smart Electric Curtain Engine kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.