WM25L/P 25mm Diameter PoE motor, Matter Over Ethernet, for 38mm/1 1/2'' Dia Roller TubesApplicable Shades Size Chart Kids and Pets Safe The shades are rolled down up by the strength of the tubular motors, which stops the danger of entangling. One Touch Convenience The remote control allows the shades to raise or lower automatically with a single press, making it ideal for seniors and those with mobility challenges. Electronic Limits Users can set top and bottom limits, and favorite positions, and make initial programming by the remote.