1. Intelligent curtains opening and closing - Automate your existing blinds, shades, curtains in the simplest and most cost-effective way. Motor can set upper & bottom limit positions and limits can be saved even when power off.2. Li-battery Charging: Built-in 2000mAh battery, Powered by charger(Power adapter is not included) ensures long time continuous working with the large battery capacity.Save more money and energy low power consumption.3. Works with any plastic beaded chain or metal beaded chain that is looped. products are used in venetian blinds, vertical blinds, honeycomb blinds, blinds, roller blinds, soft gauze curtains, no need to disassemble the old curtains , and the installation is simple. Smart in secondsExternal WiFi VersionFunctional description:1. App control / remote control2. Timing switch3. Temperature sensor off4. Tuya scene mode5. Control distance: 10 meters6. Directly connect For , home, , Xiaodu, Xiaoai and other smart speakers7. Battery: Built-in 2000mA lithium batteryDifferent batches may result in differences in product appearance and color, which does not affect usageColour:WhiteMaterial:plasticPackage Contents:1 * Blind Motor1 * Remote control1 * GatewayOnly 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.