How to Choose the Motor?
*We have 5 motors to choose for your smart home.
A. Rechargeable BLE RF Motor

Work directly with graywind app via bluetooth within range of singal (about 99ft/30m), no smart bridge needed. Easy to pencentage control, set top/bottom and favorite limit positions on app. Also, battery status display is available. Recommended for users who only need to control smart blinds via remote controller or app at home. 2.4GHz BLE hub is required for creating groups, set timing shedules or other routines and Alexa & Google control.
B. Rechargeable Zigbee Alexa Motor

Directly work with 7 Alexa devices: echo plus 2nd gen./ echo show 2nd gen./ echo studio/ echo 4th gen/ echo show 8 3rd gen./ echo show 10 3rd gen./ echo hub directly, no smart bridge needed. Realize smart control via not only the app anywhere, but also voice command, such as group and percentage control etc. 2.4GHz zigbee hub is available to connect with other Alexa models & Google.
C. Rechargeable Matter Smart Motor

Matter technology breaks down the barrier of smart ecosystems! It allows you to control your home devices via Alexa, Google, HomeKit or SmartThings at the same time. Therefore, your family can operate via preferred voice assistant or app and have more choice for smart home without worrying if they'll work together.