Doormouse Hold Open Door Magnet Surface Mounted Design That Fits Standard Back Box Attractive Fire Resistant Abs Casing 200n Or 500n Door Holding Force 24vdc Or 230adc Supply Voltage Zero Residual Force Ce Approved Under Cpd ( Construction Products Directive ) Approved To En1155 For Power Size 3-6 Door Closers Supplied With Adjustable Keeper Plate Integral Release Button