Wide available: No more hard-to-reach or too-heavy curtains with our automatic curtain opener and closer. Suitable for all curtain types that use curtain hooks. The adjustable track fits curtain sizes from 1.95 m to 3.6 m.Smart control: Control your smart curtain opener to open, close or stop wherever you want with the remote control, TUYA APP control, simple voice commands via Alexa, Google Assistant. You can remotely control it through APP under WiFi, or free your hands by voice control.Safe design: Automatically stop when meet resistance, such as children pull the curtain or manual intervention, benefit households with young children or pets. Electric curtain can also be handled manually while power off.Low noise: Ultra quiet motor with gently open and gently close function. When close to the limit, the speed slows down to make the curtain run elegantly.Info: Available with the two-way (center to sides) opening system. Instruction, batteries, and accessories are included in the package for assembly. Weight Capacity: 50 kgf / 4 m.