If curtain operation is noticeable in a bedroom or living area, check the motor and the rest of the track before choosing a replacement. This KH50 listing is titled as an ultra-quiet Tuya motor. Confirm the details for the version you select and make sure the motor connection matches your rail.

[Review the KH50 ultra-quiet Tuya motor](https://www.alibaba.com/product-detail/Ultra-Quiet-Smart-Curtain-Motor-Tuya_1601986958626.html)