Record DFA 127 Automatic Swing Door OperatorThis Record DFA127 Automatic Swing Door Operator is designed for retro fitting to existing doors to provide automatic opening. This kit is for single doors. We also offer double door kits. Purchase Options: Operator and Arm Only 1 x DFA127 Door Operator (select push or pull arm) Standard Kit: DFA 127 EN16005 Standard Swing Door Operator Kit 1 x DFA127 Door Operator (select push or pull arm) 2 x RC Swing Door Leaf Sensors (including Door Loops)