Description Can pull up to 40-60kg curtain weight(depend on the length of the track) Supplied with 433MHz RF remote control with OPEN, STOP and CLOSE Open the curtain more than 10cm, the curtain will open or close automatically Suitable for straight windows as well as curved windows Open and close the window curtain by RF remote control Stop at any prefers position via remote Over loading protection Can be operated by hand while power off Installation is very easy for everyone Smart limit detection by saving the open and close positions Automatic stop in seconds when the curtain is fully opened or closed Specification Voltage: AC 110V Rated Wattage: 45W Rotate Speed: 110rpm Speed: 10cm/s Torque: 1.5N Rated Current: 0.3A Insulation Class: E class Protection Level: IP41 Material: PC/ABS Application Suitable for straight windows as well as curved windows Great for replacement of traditional curtain/drapery tracks/rails. You can even re-use your existing curtains. Package Content 1× AC 110V Smart Motor with US 3.28' PLUG 1×Remote Runner Drive Unit Loop Stopper Curtain Tracks Ceilling Mounting Brackets Curtain Gliders 1×Srew Driver 9×Screw 1×User Manual