FAAC 450 Swing Gate Opener FAAC S450H 24VDC Hydraulic Operator for residential/condominium and commercial swing-leaf gates with single-leaf maximum length of 14ft and single-leaf weight of 1,100lbs. Battery backup built in, and first set of batteries provided. A convenient manual release is standard on all models. Available for single swing gates or dual swing gates. Internal positive stops are are built in. Very accurate anti-crushing and reverse obstacles functions, and highly accurate position awareness, due to an integrated encoder. Gate speed and force are adjustable.