Lepmerk Automatic 25mm Smart Tubular Roller Blinds Motor Battery Powered Built-in Receiver RF433 Remote Control for 38mm Tube Smart App Wireless Remote Control Voice Control with Home

Energy Saving Patent Design. Built-in Rechargeable Battery Pack It has automatic correction function for displacement generated by braking built-in control parts of motor are well for better safety It's easy to switch mode between inching and interlock and control operation direction