Motorized lift curtain is for long windows like in double height It holds the curtain track and moves down whenever you need to change curtain or whatsoever reason The price is for "For size : 8 feet (wide) x 20 feet (height)" (8' x 880 = 7,040 (Accessories) + 19,000 (Motorized system) = 26,040/- for more info : call us at 9801014702|9801014703 https://nepalsmarttech.com.np/product/motorized-lift-curtain-smart-lift-curtain/