an item for the window right wing status (0=closed, 1=tilt, 2=open) (optional, default = 0)
item_window_l
an item for the window left wing status (0=closed, 1=tilt, 2=open) (optional, default = 0)
min
the value for shutter on top end (optional, default 0)
max
the value for shutter at bottom end (optional, default 255)
color
color e.g. '#f00' for red (constant, 'icon0' and 'icon1' can NOT be used) (optional, default: color is icon0 if window is closed, changes to icon1 if opened)